2 Mamm. 
MAMMALIA. 
thiere. Kiel : 1875. [Not seen by the Recorder ; cf. Arch. f.Nat. 
1876, ii. p. 3.] 
Allen, J. A. Geographical Variation among North American Mam- 
mals, especially in respect to size. Bull. U. S. Geol. Surv. ii. pp. 
309-344. 
Most animals are smaller in higher latitudes, but in some species the 
reverse is shown to be the case. Careful measurements are given of a 
very large number of skulls in the U. S. National Museum. 
Baldwin, J. H. The Large and Small Game of Bengal and the 
North-western Provinces of India. London : 1876, 8vo, Mammalia, 
pp. 1-245. 
Field-notes on the habits and chase of the principal Carnivores and 
Ungulates of India. 
BakcelO y Combis, F. Catalogo metodico de los Mamiferos obser- 
vados en las Islas Baleares. An. Soc. Esp. iv. (1875) pp. 53-58. 
Contains twenty-eight species, including five Cetaceans. Ovis musi- 
mon is not found in any of the Balearic Islands. 
Bakrington-Biiown, C. Canoe and Camp Life in British Guiana. 
London : 1876, 8vo, pp. 400. 
Contains many notes on the habits of various Mammals. 
Beauregard, H. Recherches sur les r^seaux vasculaires de la 
chambre posterieure de I’oeil des Vertebres. Ann. Sci. Nat. (6) iv. 
art. i. Mammiferes, pp. 55-70. 
Blanford, W. T. Eastern Persia, an Account of the Journeys of the 
Persian Boundaries Commission, 1870-72. 2 vols. 8vo. London : 
. 1876. Zoology and Geology. Mammalia, vol. ii. pp. 18-97, pis. 
i.-viii. 
The observations of former travellers are combined with those of the 
author and of 0. St. John. 89 Mammals are enumerated, and several 
of the new species, which have already been characterized [c/. Zool. 
Rec. xii. p. 2], are figured. 
. Note on the “ Africa-Indien” of A. von Pelzeln, and on the 
Mammalian Fauna of Tibet. P. Z. S., 1876, pp. 631-634. 
Criticises Von Pelzeln’s inclusion of the Tibetan plateau in the Ma- 
layan region [infra^ p. 6], and gives a list of the recorded Mammals of 
the country. 
. The African Element in the Fauna of India ; a Criticism of Mr. 
Wallace’s views as expressed in the “Geographical Distribution of 
Animals.” Ann. N. H. (4) xviii. pp. 277-294.’ 
Observations in support of the author’s opinions as to the relationship 
of the fauna of the Indian Peninsula with that of the Ethiopian Region. 
The Mammals are treated of at pp. 283-287. 
Brock, J. Ueber die Entwicklung des Unterkiefers der Saugethiere. 
Z. wiss. Zool. 1876, pp. 287-318, pis. xix. & xx. 
Observations on the development of the mandible in the Pig. The 
