12 
MAMMALIA. 
that permanently reside in or occasionally visit the British 
Islands is given by Dr. Gray, Zoologist, 1872, pp. 3333-38. 
Arctocephahts. Dr. Gray describes and figures the skulls of A. nigrescens 
from the Falkland Islands, A. cinereus from New Zealand, and Gypsophoca 
tropicalis from Auckland Island, referring at length to the literature on these 
and allied species. V, Z. S. 1872, pp. C63-0G2. 
Arctocephalus. Notes on the Fur-seal of New Zealand (A. cinereus ?), by 
Hector & Webb, Trans. N. Z. Inst, iv. 1872, pp. 196-202, pi. 12 (skulls).— 
The skull regarded by Dr. Hector as a young Arctocephalus cinereus is referred 
to Gypsophoca by Gray, 1. c. p. 743. 
Bumetcpias stelleri. Adolescent skull from Japan, and foetal skull from 
California, described and figured by Gray, 1. c. pp. 737-743, figs. 1-5. 
' Arctocephalus hookeri is very distinct from, although resembling the young 
of, Otaria juhata. Burmeister, Anal. Mus. Buenos Air. 1870, translated in 
A. & M. N. H. 1872, ix. pp. 89-91. 
Otaria. On the habits of the Eared Seals of the Falkland Islands, H. Pain, 
P.Z.S. 1872, pp. 681 & 682. 
Halichoertis gryphus on the Welsh coast. Gray, A. & M. N. H. 1872, ix. 
p. 822. 
RODENTIA. 
Dr. V. Martens has published an article on the names of Ro- 
dents in various languages. Zool. Gart. 1872, pp. 40-49. 
[See Zool. Rec. vi. p. 13, vii. p. 9, viii. p. 13.] 
Seiurus pernyi described. A. Milne-Edwards, Rech. Mammif. p. 302. 
Macroxus medellinensis, sp. n., allied to M. tephrogaster, Gray, A. & M. N. II. 
1872, X. p. 408, New Granada. 
Ptoromys magnijicus (Ilodgs.) figured, P. Z. S. 1872, pi. 50. 
Pteromys alhorufus described. A. Milne-Edwards, Rech. Mammif. p. 298, 
pis. 45, 15 a. fig. 1. 
\Arctomys rohustus \& indicated as a new species from Moupin. Id. Nouv. 
Arch. Mus. vii. Bull. p. 92. 
Castor Jibei'. On the construction of a Beaver-dam in Digby County, 
N. Sc.,” by J. B. Gilpin, Proc. & Trans. N. Scot. Inst. N. Sc. 1872, iii. pp. 
152-155. — “ Observations on the Beaver of Orleans County,” by J. Parker, 
Arch. Tr. Orl. Co. Soc. i. pp. 97-102. 
Jacxdus hudsonitts, its hibernation. S. Tenney, Am. Nat. 1872, pp. 330- 
332. 
Dr. Schobl has recognized the external ear of mice as an organ of 
touch. Arch. mikr. Anat. vii. pp. 260-268, Taf. 21-24. 
Mus decumanus. F. von Fischer calculates that a single pair might have, 
after 10 years, a progeny of 48,319,698,843,030,344,720 individuals. Zool. 
Gart. 1872, pp. 125 & 126. 
Mus rattus found in New Zealand. Hutton, Trans. N. Z. Inst. iv. 1872, 
p. 183. 
Mus jlavipectuSy M. griseipectusy M. ouang-thomce^ and M. confucianus indi- 
cated as new species from Western China by A. Milne-Edwards, Nouv. Arch. 
Mus. v^. Bull. p. 93 ; described, Rech. Mammif. pp. 286 et seqq. pis. 40-42. 
