6 The Management and Diseases of the Dog. 
ash or crushed bone, is likely to prevent eczema and other allied skin diseases, 
and avoid producing intestinal irritation and relaxation, complaints which are so 
frequently induced by biscuit feeding. 
‘‘The importance of recognising the principles involved in the proper con- 
struction of canine dietaries cannot be over-estimated, a point which has evidently 
been carefully observed in formulating the constituents of this Patent. 
**I consider Professor Woodroffe Hill’s Biscuits are model ones, and fully 
deserve the title ‘ Perfect.’ : 
INVALID BISCUITS. 
‘‘These invalid biscuits I find are prepared from the same ingredients as the 
above, with the addition of a very valuable ferment which possesses great digestive 
properties. - They should prove very beneficial in the treatment of various forms 
of dyspepsia, and invaluable as a food for invalid and convalescent Dogs. 
“(Signed) JAMES BAYNE, F.C.S.,” 
Professor of Chemistry, Royal Veterinary College, London. 
[COPY] ROYAL VETERINARY COLLEGE CHEMICAL LABORATORY, 
CAMDEN Town, N.W., 
29th December, 1898. 
CERTIFICATE OF ANALYSIS OF PROFESSOR WOODROFFE 
HILL’S PATENT DOG BISCUIT. 
Water - - - - - - : - - I0’SI 
Oil - : : - - - - - - 2°86 
* Albumenoids - ee - - 14°62 
(Nitrogenous substances) Flesh Formers. 
Amyloids 738 ee - 66'9r 
(Fat and Heat Producers) 
Fibre - - - - - - - - - 2°20 
Ash er s Ae 2-90 
(Bone Formers) 
* = 2°31 per cent. of Nitrogen 100°00 
JAMES BAYNE, F.C.S,, 
Professor of Chemistry, Royal Veterinary College, London. 
Messrs, Walker, Harrison, and Garthwaite, Ltd., London, 
are the manufacturers of this biscuit. 
Fish.—The introduction of fish in biscuits forms an 
agreeable change in the diet, and to those fanciers unable 
to obtain a sufficiency of the fresh article, a biscuit so con- 
stituted is most acceptable. Garthwaite’s fish-biscuit in my 
opinion stands first in this class of canine food. 
Cod-liver Ow.—As a fish extract the oil derived from the 
liver of the cod has long held an exalted position as a 
