68 
ZOOLOGICAL literature. 
ANATOMY AND PHYSIOLOGY. 
CouEs, Elliot. Bird^s-eye Views. American Naturalistj 1868j 
pp. 605-513. 
A popular account of the accessory structures of a bird^s eye. 
Darwin, Charles. The Variation of Animals and Plants under 
Domestication. [See also General Subject.^^] 
Various interesting and remarkable osteological details witli 
respect to Pigeons, Fowls, and Ducks are herein contained ; and 
some are mentioned below, under ColumbidcBj Phasianidcej and 
Anatid(B» 
Davy, John. On the Temperature of the Common Fowl 
{Gallus domesticus). Proc. Boy. Soc. Edinb. vi. p. 291. 
A posthumously-published communication, of which the 
following are given as the chief results : — 
(1) The average temperature is 107°*81. 
(2) Before maturity it is 108°* 5. 
(3) That of the cock is 108°* 39, that of the hen 107°‘3. 
(4) That of the fully mature cock is 108°* 77. 
(5) That of the laying hen is 107°*4. 
(6) That of the incubating hen is 107°. 
(7) During moulting it is 108°’44. 
Haughton, Samuel. On the Muscular Mechanism of the Leg 
of the Ostrich. Proc. Boy. Irish Acad. ix. pp. 50-61. 
A reprint, with figures, of the paper before noticed (Zool. Bee. 
ii. pp, 85, 138) , . 
— -r. Muscular Anatomy of the Emu {Dromceus novca-liollan- 
dm), Tom. cit. pp. 487-497. 
— — . Muscular Anatomy of the Bhea [Struthio rhea), Tom. 
cit. pp. 497-604. 
. On the Comparative Myology of certain Birds. Tom. 
cit. pp. 524-526. 
The first two of these three papers contain notes in much de- 
tail on their respective subjects, illustrated by figures. The 
birds treated of in the third paper are Falco peregrinuSj Polybo- 
Tus brasiliensisj Grus virgo, and Anser canadensis. 
Huxley, T. H. [See also General Subject.^'] 
. Arclmopteryxlithographica. Proc, Boy. 
Soc. 30 Jan. 1868, vol. xvi. pp. 243-248. Beprinted, Ann. 
& Mag. Nat. Hist. 4th ser. i. pp. 220-224. 
The author states that there are several important errors 
in Prof. Owen^s description (Phil. Trans. 1863) of this cele- 
brated fossil — among them, that the specimen presents its 
dorsal instead of its ventral surface to the eye, and that many 
of the bones which have been attributed to the right side of the 
animal are those of the left, and vice versd. He concludes by 
