Dry non-colouring powders. These must be placed in a box of metal, wood or cardboard, the box itself being enclosed in a bag of linen or parchment.
eggs.
Fatty substances which do not easily liquefy; silkworm Such articles must be enclosed in an inner cover (box, linen or parchment bag and so on), which must itself be placed in a second box of wood, metal, or stout thick leather,
Glass or other fragile material. Articles of glass or other fragile material must be securely packed, in a box of metal, wood or strong corrugated cardboard, in such a way as to prevent all risk to other postal packets or to officers of the Post Office.
Liquids; oils or semi-liquids. These must be enclosed in a receptacle hermetically sealed; and the receptacle must be placed in a special box of metal, strong wood or strong corrugated cardboaard con- taining sawdust or spongy material (not cotton) in sufficient quantity to absorb the liquid if the receptacle becomes broken. The lid of the box must be fixed in such a manner that it cannot easily become detached.
Live bees; leeches; parasites. Live bees or leeches must be enclosed in a box so constructed as to avoid all danger and to allow the contents to be ascertained. Parasites and destroyers of noxious insects exchanged between officially recognised institutions must be similarly packed.
Sharp instruments; pieces of metal or ore. Articles of this description should be packed and guarded in so secure a manner as to involve no risk to the contents of the mail bags or to officers of the Post Office.
Note: Articles which would be spoilt if packed according to the general rules, as well as samples placed in a transparent cover which permits inspection of their contents, may exceptionally be admitted in a cover hermetically sealed. Samples of industrial and vegetable products may also be posted in covers closed by the manufacturers or sealed by an examining authority in the country of origin. In these cases, the sender or the addressee may be required to assist in the check of the contents.
Articles for medical examination or analysis. These may be sent under conditions prescribed in ARTicles senT FOR MEDICAL EXAMINATION OR ANALYSIS, see page 26.
INADMISSIBLE ARTICLES.
The following articles are not admissible:
Goods for sale or consigned in execution of an order, however, small the quantity;
Samples of tea exceeding 8 ounces in gross weight;
Postage stamps or forms of prepayment, whether obliterated or not or any paper representing a monetary value.
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