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5. Post-mortem appearances of Chronic Rat Plague.
6. Latent Plague in Rats.
7. General Modes of Infection of Rats:--
(a.) From other rats.
(b.) From man.
(c.) From food.
d.) From other infected material.
(e.) From vermin.
8. Infection of Healthy Rats on Board Ship.
(1.) In ocean going cargo boats. (2.) In ocean going passenger boats. (3.) In coasting cargo boats,
(4.) In coasting passenger boats. (a.) By human plague. (b.) By rat plague.
(c.) By other infected vermin. (d) By infected cargo. (e.) By infected goods. (f.) By infected animals.
9. Question of Latent Infection of Ship.
10. Infection of Healthy Rats in a Sea-port.
(1.) By incoming infected ships.
(a.) Human plague on board. (b.) Rat plague on board. (e.) Latent ship infection.
(d.) Infected merchandise.
(e.) Infected animals.
(2.) By conveyance of infection from an Inland Town.
(a.) Rats-sewer-field.
(b.) Man.
(c.) Food.
(d.) Merchandise.
(e.) Clothing.
f) Railways.
(g.) Caravans.
(h.) Pilgrimages.
(i.) Other animals.
11. Infection of an Inland Town.-Modes given under No. 10,
12. Natural Modes of Rat Infection.
(1.) Question of skin infection.
(2.) Alimentary Incorporation. (3.) Inhalation Infection,
13. Natural Modes of Elimination of Infection.
(1.) Mucus and saliva of the mouth.
(2.) Urine.
(3.) Fœces.
14. Question of Danger of Contact with dead Infected Rats.
15. The Course of Plague Epidemics in Rats.
16. The Relations existing between the Epizootic and the Epidemic.
17. The existence of acute rat plague epidemics.
18. The existence of chronic rat plague epidemics,
19. The part played by rats in bridging over plague epidemics in man.
(a.) The influence of acute rat plague.
(b.) The influence of chronic rat plague. (c.) The influence of latent rat plague.