258 
appearances, depending much upon the consistence of the matter ; 
when solid, cholesterine plates are often seen in it ; and when fluid, it 
has much the appearance of animal oil. 
Relative size.—I have in numerous instances weighed the bird 
and the gland at the same time, but I will select only a few examples 
from the tables. The birds were in tolerable condition, and many 
of them in a wild state; the word about must be used to all, as I 
have not included grains in weighing large birds for this purpose. 
The relative proportion of the glands to the body was as follows in 
the subjoined list :— 
Peregrine Falcon. Falco peregrinus .......... 1-2886 
Keenttel, <I, Sanwa memygen 5.0. vici0ie ryinis Siac State’ 1-1980 
Long-eared Owl. Strix otus ............+... 1-1840 
Hooded Crow. Corvus corniz....... Fea = 1-788 
Starling. Sturnus vulgaris.................. 1-700 
Water-Ousel. Cinclus aquaticus ............- 1-560 
Green Woodpecker. Picus viridis............ 1-1026 
Grey Parrot. Psittacus erythacus............ 1-3420 
Grey Partridge. Perdix cinerea ............ 1-1401 
Red-legged Partridge. P. rufa.............. 1-1241 
Common Pheasant. Phasianus colchicus ...... 1-2100 
Sand Grouse. Pterocles arenarius............ 1-3080 
Wood Pigeon. Columba palumbus............ 1-6040 
Domestic Pigeon. C. livia............ ae aie ets 1-4850 
Bronze-winged Pigeon. C. chalecoptera ...... 1-3066 
Crested Pigeon (Australia). Ocyphaps lophotes. 1-5504 
Land Rail. Gallinula crex....... 2p aealemtl-Oae 
Oyster-catcher. Hematopus ostralegus. ovis tec. l2oae 
Raff... Tringa ggnae os oe si o5 wis oes s se >see we LGD 
Black-tailed Godwit. Limosa lapponica...... -- 1-2053 
Whimbrel. Numenius pheopus ..........-244 1-1750 
Raley. IV PPAR Fa nia's (Sn imc @ Bisie! be CRED 1-1608 
Crested Crane. Grus pavonina .... 1... .e.0++ 1-2112 
Black Swan. Cygnus atratus.. ...... 0.20005: 1-792 
Tame Duck. Anas boschas...... wield aoe erajetts -- 1-311 
Muscovy Duck. Catrina moschata .......... 1-296 
Pin-tail Duck. dnas acuta................+. 1-526 
Shoyeller. 4. clypedta ... .. 0 aihies edinens an ot AAO 
WY RR I oo Se ne eye Se 1-555 
Common Gull. Larus canus .............04 1-364 
Herring Gull. Di. fuseus.... 2.0. 0s.00000---. 1-568 
Young Birds. 
Coot. Fulica atra (half-grown) .......-.... 1-245 
Rook. Corvus frugilegus............2ee002-- 1-2346 
Thrush. Turdus musicus (a few days old) .... 1-1320 
Use.—I scarcely need tell the members of the Society, that, even 
at the present time, much difference of opinion exists respecting the 
