1929-06-11 — Page 7

TUESDAY, JUNE 11, 1929.

MALARIA FEVER

Relation To Man And Mosquito

MAGNITUDE OF PROBLEM

The following is the first instalment of a lecture on "Melaria in Its Relation to Man and Mosquito," by Dr. A. R. Wellington, Director of Medical and Sanitary Services:-

1. Malaria in its restricted sente means a disease of humans caused by a microscopic organism which invades the corpuscles of the blond, feeding on them, des- troying them and excreting poisons which cause fever.

2. Malaria in its fullest sense

includes all the factors immediate and remote which have an effect on the growth and dissemination

of the malaria parasite.

Warren. Neither of these gentle- man had ever been out of Eng. land, neither had ever suffered from malaria and neither of them had malaria parasites in his blood Within 10 days both went down with malaris, parasites were found with blond of each, and these parasites were the same as those which occupied the blood of the Italian patients at Rome.

Similar experiments have been

THE CHINA MAIL,

The corpuscular kin bursts SHADOWS BEFORE. liberating the young parasites and the poisons.

Poisons Upset Body The poisons upset the body and bring on an attack of fever,

Some of the young parasites get destroyed, some find their way into fresh red corpuscles and com- mence a new cycle.

The little cycle- in man is call-

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ENTERTAINMENTS

To-day - Queen's ' Theatre; Riley The Cop" & Sam Ku West.

To-day -- World

Theatre; "Lovey 'Mary,"

To-day Star Theatre;

ed the asexual cycle because there "Mockery."

is no conjugation between differ- ent sexes before multiplication.

The reaction of the human.-

It resents the foreign matter

The human body is not a passive agent in disease. intrusion of any and it takes measures to rid itself of any which may find entry. It has a factory for the manufacture of anti-toxins or antidotes to for in poisons. It has a factory for the manufacture of poisons, Sub- stances which have a detrimental organisms but cffect on foreign which do no harm to itself, It

of leucocytes or white corpuscles,

At one time thought to be done in various parts of the woric has a factory for the manufacture

Today Majestic Theatre; "The Garden of Allah".

To-day-Great Chinese Circus, Praya East, 9. p.m.

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WANTED A House with five or six rooms with garden preferred. Please write Room 301, Hong Kong Hotel..

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NOTICE.

|-WATER SUPPLY TO-LAUNCHES. Home Mails To-day Inward from Europe TT IS HEREBY NOTIFIED that Iconmuncing on 12th. instant, via Siberia (Sado Mara").

To-morrow-Outward for Amer-WATER ica and ports, Europe via San LAUNCHES wil be available Francisco and Siberia ("Tenyo from the Tank on the Water Front at Kennedy Town opposite Maru"), 8.30 2.m.

Davis Street from 6 a.m.-6. p.m. daily.

Lammert's Auction June 13-At Sales Room, Duddell-; strect, a large quantity of silk materials and E. P. ware, 2.30 p.m. Meetings

very involved, ed by scientific men that malaria the policemen and scavengers of of: Indo-China Steam Navigation |

a simple subject, Investigation has proved it to be Professor Kunen, the celebrated Dutch investigator. said recently "ten years ago we knew all about malaria-now the only thing wo are sure of is that we only know the fringe of the subject." You will get some idea of the magni- tude of the problem when I tail we already know you that what fills books.

and it is now universally accept-

to man by is spread from man certain species of an opheline mos- quitoes.

Disturbance of Soil That malaria often breaks out after ground has been opened Is frequently cited as a proof that the disease can be spread by some thing set free from the earth by the turning over of the soil. The 4. In a lecture like this I can

disturbance of the soil certainly only sketch out briefly the evolus frequently followed by malaria, but the effect is not direct but tion of our knowledge of th

Water 012

new earth aetiology of the disease, the life indirect,

the body.

SUPPLIES TO

Consumers must obtain Tickets from the Treasury, costing 50 cents per 500 gallons, and present them June 10 Forty-eighth meeting to the meter reader at the Tank,

HAROLD T. CREASY, Co., Ltd., Messrs. Jardine's Offices,

Water Authority, The anti-toxin entralises the Loon, poisons of the parasite and bringa- July 8-Meeting of Creditors of the temperature back to normal. the Hong Kong Tug & Lighter Cos The opsonins lower the vitality of Ltd., at Messrs. Percy. Smith, Seth the organism and prepare the way & Fleming's offices, roon.. for the attacks of the leucocytes or police. The police gobble up the parasites and dispose of them.

Cause of Relapses

It is by the provision of anti- toxins, opsonins, and leucocytes that the body resist any disease. history of the parasite. its effects somehow has an attraction for the The factories work better when female anopheline. What that at the body is maintained at a high Traction is has not yet been work-tone and that is the reason why

en human progress,

History

5. The term malaria is a com- bination of two Italian word mal, meaning bad, and aria air == bad air.

For centuries the disease has been known to be in some way connected with swamps and that people who live near awamps, co- pecially those who spend the night in the vicinity. are par- ticularly liable to contract the dis ease. Nothing was known of germs or microbes in the old days. and diseases were often attribut-

ed to the inhalation of poisonous. gases,

It was noticed that, mists form- ed aver swamps during the night and that these mists had a chill- ing effect on the body. What was more natural than to attribute the shivering attack of malaria to this mist or bad air, the malaria of the

swamp.

Laveran. French surgeon, while examining the blood of -malaria patients under the micro- scope noticed moving bodies in some of the red corpuscles. He concluded that these were cause of the disease. the parasites of malaria. He was right.

the

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malaria relapses occur when the PHYSICAL CULTURE- constitution is lowered by chills or other untoward influences,

But neither the anti-toxins, the opsonins nor the police can touch anything protected by the cor-

CHINESE FOM MANILA FOR CANTON

Mr. G..G. Tan, general secretary pascular skin." And it is the of the Chinese Y. M. C. A., Manila, periodic bursting of the corpuscles has heen appointed as dean of the and the liberation of the succes Cauton College of Physical Educa- sive doses of poisons which causes tion in Cantor. the intermittent rises of tempera- ture which are se characteristic of malaria.

graduated

Mr. G. G. Tan was from the International Y. M. C. A. College in Chicago two years ago. The big cycle-man to mosquito He was sent by the Manila Chinese and mosquito to man-after millionaire sportsman, Mr. C. C. time the resistance of the body Lim.

Tan is a letter man of the Ameri

Was a mÉK- can college and also

becomes so great that the para- site finds it difficult to carry on. When this happens the intra corber of the Far Eastern Olympic pascular parasites change their team ten years ago, habits. They refuse to divide

Public Works Department,

Hong Kong, 30th June, 1929.

THE EAST ASIATIC CO., LTD., COPENHAGEN.

The Motor Vessel,

"PANAMA " having arrived, Consignees of cargo are hereby informed that all gooda are being landed and placed at their risk into the hazardous and/or extra- hazardous Godowns of The Hongkong & Kowloon Wharf & Godown Co., Ltd, where delivery can be obtained as soon as the goods are landed,

No claima

Will

be admitted after the goods have left the Godowns, and all goods.

17thaning undelivered after the

1929, at 4 p.m. will ba subject to rent All broke

chated, and damaged goods are to be left in the Godown, where they will be examined by 15th June, 1929, at 10 am. Meeers. Anderson & Ashe on the

All claims against the vessel must be presented to the Undersigned befors the 20th June, 1929, or they will not be recognized.

No Fire Insurance will be effected. Bills of Lading will be counter signed by

JOHN MANNERS & CO., LTD

Agents.

Hong Kong, 19th June, 1929.

CHRONICLES FROM JAPAN

Recently he has written three IN OTHER PLACES when they have reached maturity, books as follow: "Physical Educa- Their internal arrangement

tion in the Philippines," "Stadia changes somewhat and they be-

and "My or Stadiums,"

Two come more resistant to outside in-Years Experience with the Manila fluences. Two forms can now be distinguished, one is male and the other female..

Host for the Parasite

It is here that the mosquito comes into the field as a host for the parasite.

Not all mosquitoes can act as hosts for the sexual forms, the

Chinese YM:C.A.”

PILOT INCINERATED

TERRIBLE FATE OF MR. ERIC SCHOLFIELD

London, May, 16.

TO JAVA

Mr. J. S. Noakes, the Tientsin agent of Hall & Holtz Ltd., is on a; trip to England via Siberia.

Sir Charles and Lady Fawcett were traveling in the East recent- ly. Sir Charles Fawcett has been Paisne Judge of the Bombay High Court since 1920.

Manson in China proved the mosquito to be the vector of filaria, a worm which causes ele- phantiasis in man. He argued

stomach juices of the vast major- One of the best-known British that the parasite of malaria might ed out. I believe it to be of ality are too strong and the para-pilots. Mr. Eric Scholfield, who well be carried by the same insect chemical nature for it disappears sites are killed. The stomach and that the fact that mosquitoes on weathering. Perhaps it is a juices of any mosquito will kill was a test pilot at Vickers works, breed in swamps

was incinerated to-day, while fly would explain chemical in solution which has the sexual forms. But the gastricing over the Thames between denouncing Feng Yu-hsiang. the connection between swamps some, influence on the food supply juices of some species of anophe Weybridge and Shepperton.

of the larvae Perhaps it is that lines instead of killing the sexual

The wing of the machine became

and malaria.

Ross's Proof

Ross had the

reorganize and amalgamate the The commissioners appointed to student organizations of Shanghai have resolved to issue a circular-

Recently anti-Chiang Kai-shek aero and anti-imperialist slogans were the found posted in Avenue Road,

the anopheline finds the pool first forms stimulate them to action-partly detached from the and that the eggs hatch and the Tha male throws out certain whip-plane, the tail snapped, and same

larvae reach maturity before the like processes which break off, machine fell into the river and Shanghai. Anti-Feng Yu-hsiang natural enemies have found out swim to a female and become ab-caught fire. they are there. Whatever it is sorbed in it.

The mechanic jumped out and

the fact remains that more larvae The impregnated female now) was killed. His body was almost are likely to be found on water becomes elongated and its an-buried,

in connection with new earth terior end pointed. It bores ita Mr. Scholfield last year flew from than in pools adjacent but in con- way into the mosquito's stomach London to Bucharest in 30 hours.

•

placards were seen in Woosung.

The administration of the Chapei Chamber of Commerce was trans- ferred to the commission appointed to reorganize the various commer- cial bodies of Greater Shanghai on June 5.

Ronald theory.

He worked it out and proved that malaria is carried from man to man by a certain species of mosquitoes belonging to the family anophelinės. He show ed that the anopheline is not a mere mechanical tool like a vac- cination lancet, that it does not tact with old earth. After a wall where it stays and undergoes infect one human with the infect-month or more some change takes development. It forms 2 ball. DWIGHT DAVIS ed blood of another, but that the place, and in the water which was Inside the ball little round prick- parasite actually invades the tis-formerly thickly populated with ty bodies like chestnut burrs form, TALKS. WITH HOOVER; OATH" H.R.H. Prince Rajasakdi of Siam, sue of the insect and causes t larvae, a few or none are to be The prickles which are the young

IS ADMINISTERED

the eldest surviving son of King general infection. When the found. This is one reason why parasites leave the barr and fill

Mongkut, has passed the age-at- saliva becomes infective which it earth works are so often follow up the ball. The ball or tumour

Washington, June 3. tained by King Rama I. who was does after an interval of 10 days. ed by 蟲 temporary wave of bursts, the prickles escape into. Dwight F. Davis, new Governor-the longer lived of the Kings of thes and then only, is the mos- malaria. Another reason is the the tissues of the insect and are General of the Philippines, plans to the present dynasty, and who died quko capable of passing on the tapping of underground reser distributed all over its body by hold his final conference with Pre-in his 7ard year. The occasion was infection to another human. voirs, the water from which forms its blood stream.

sident Hoover to-morrow. On the celebrated last week at the Prince's Malaria may now be defined as springs which flow until the reser.

Some enter the salivary glands a disease of man

and of certain voir is empted when they dry up. and find their way into the saliva same day he will take the oath of palace in Bangkok.

species of anophelines caused by

The Life History of the Parasite

Injection of Selira

a micro-organism (the malaria The Hife history of the parasite parasite) which passes from mos- may be described as a cycle with- When a mosquito Vites it in quito to man and from man to in a cycle. The little cycle takes jects saliva to make the blood run: mosquito through the sucking pro-place in man, the big cycle part- better. It is this saliva which boscis of the insect. The human ly in man partly in the mosquito. causes the irritation which most infects the mosquita and the mos- The small cycle, the parasite in of us have experienced. quito infects the human, there; is } man.--The parasite is a living or- The saliva of an infected mos no direct infection from man to ganism so minute that it can only quito contains the parasites and man or from: mosquito to mos- be seen through microscope one bite from such may start the quito.

magnifying hundreds of times. asexual cycela."

↓

office. The oath will be administer- ed by Justice Stone of the Supreme Court:

Governor Davis plans to leave Washington on Saturday and to sail from San Francisco on June 16.

"Associated Press.".

RADIUM FOR CANCER

London, June 1.

It is understood that H. E. the High Commissioner (Sir Hugh Clifford) accompanied by his Pri vate Secretary, Mr. W. F. N. Churchill recently visited Serem- ban, on his his way to Sri Menanti, the seat of the Yang di Pertuan Besar of Negri Sembilan to attend the triennial Mengadap ceremony.

The huge shark which was cap One million dollars worth of tured by the students of the Chich not know, I will explain that our culation into a human it takes ten radium is to be available next under Mei College, Amoy, near the Hua. blood is â colourless fluid in days for the parasites to increase government auspices for treatment Yao Shan-Island, has been brought witich are floating innumerable] to such a number that their com- of sufferers, from cancer. Twenty to Woosing and lodged in the - They lived in a hut protected from

little dises called red corpuscles.bined poisons can cause symptoms grammes will be purchased, Half the Water Products College there. It mosquitoes by wire gauze. They To the presence of these cor- of fever. After symptoms of cust will be defrayed by the Govern will be preserved and sent to the were out all day in all weathers, puscles is due the redness of the fever appear 10 days elapse bement and half by contributions Hangehow Exhibition. The shark often did hard manual work, drank blood.

fore the sexual forms become National Radium: Trustees will be is 30 ft. Tong and weighs #6,000 The parasite is a living body and manifest. After ingestion by the created. "Associated Press. like all living matter it feeds and mosquito of the sexual forms. a

Proof of the Mosquito Theory Sambon, Low, and Terzi resid-

ed for three months in one of the mest malarious districts in Italy.

the water of the place, but from sun-

sel to sunrise stayed inside their mosquito-proofed hut. They took

For the benefit of those who do Incubation periods. After ino-

it excretes and what it excretes is further period of 10 days elapses

before the young forms appear inf

по quinine OV any other poisonous. precaution beyond staying in The parasites find their way its saliva.

the mosquito proofed-house from into the corpuscles, feed on their One infected mosquito may in- sunset to sunrise, the bit- substance, and destroy them. As fect ang number of kumans and ing time of the anopheline. the parasite grows the substance one infected man may infect any Neither of the three contracted | of the corpuscles disappears but number of mosquitoes. Remem malaria. Their neighbours all the corpuscular akin remains ber that the infected human in a awund who were not protected whole. Inside the skin are the re-focus for the spread of Malaris from mosquito bites, went down mains of the corpuscle, the para- and that an infected baby is just repeatedly with the disease.

site, and its excretions.

as dangerous as an infected adult.

Anophelines fed in Rome OF malaria patients, were sent alive to the London School of Tropical Medicine where they fed on two volunteers, Dr Manson and. Mr.

When full grown the parasite | Native children are most danger- breaks up into segments which are ous as they are not screened-by arranged around a centre contain- mosquito curtains from the bites ing the excretion. Each of the of susceptible anophelines. segments a young parasite.

(To be Gontissed.)

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