18 
MAMMALIA. 
Badorcas taxicolor^ var. tibetana^ described and figured ; A. Milne-Ed- 
wards, Rech. Mamm. pp. 367-377, pis. Ixxiv.-lxxix. 
Bison europceus. On this species and Bos primigenius in historic times ; 
F. W. Makhn, CEfv. Fin. Soc. xiv. (1872) pp. 93-105. 
Buhulus pumilus. On its identification [c/. Zool. Rec. x. p. 16] ; 
V. Brooke, Ann. N. H. (4) xiii. pp. 156-160 ; and J. E. Gray, toin. ciL 
pp. 258 & 259. 
Oamelid.®. 
'i JProcamelus heterodontus, sp. n. (foss.), E. D. Oope; Pliocene of Colo- 
rado. P. Ac. Philad. 1873, p. 420 ; Bull. U. S. Geol. Surv. 1874, p. 20. 
Protocmidus virginiensis^ sp. n. (foss.), J. Leidy ; Miocene of Vir- 
ginia. P. Ac. Philad. 1873, p. 15. 
'^Merycodus geinmiferj sp. n. (foss.), E. D. Cope ; Pliocene of Colorado. 
Bull. U. S. Geol. Surv. 1874, p. 22. 
HYRAOES. 
Dendrohyrax hakeri, sp. n., J. E. Gray, North-east Africa. Ann. N. H. 
(4) xiv. p. 133. 
GLIllES. 
Sciurus vulgaris. On its nesting habits ; R. Meyer, Zool. Gart. 1874, 
pp. 457-459. 
Sciurus calliurus, sp. n., Buchholtz (W. Peters) ; West Africa. MB. 
Ak. Berl. 1874, p. 707. 
f^Sciurus relictus^ sp. n. (foss.), E. D. Cope ; Miocene of Colorado. Syn. 
Vert. Color, p. 3 ; Rep. U. S. Geol. Surv. 1873, p.^475. 
Arctomys robustus described and figured ; A. Milue-Edwards, Rech. 
Mamm. pp. 309-314, pis. xlvii. & xlix. 
'^ymnotychus, g. n. (foss.), E. D. Cope, allied to the Squirrels, but 
differing in dentition. Types, G. trilophus and G. mhiutus^ spp. nn. ; 
Miocene of Colorado. Pal. Bull. No. 16, p. 6 ; Rep. U. S. Geol. Surv. 
1873, p. 476. ‘ 
Steneojiber pansus, sp. n. (foss.), E. D. Cope ; Pliocene of New Mexico. 
P. Ac. Philad. 1874, p. 222. 
Castor canadensis. On its habits ; F. R. Brunot, Rep. Sm. Inst. 1873, 
pp. 422 & 423. 
E. CouES, in his Synopsis of the Muridae of North America,” gives 
an abstract of an exhaustive memoir which he is preparing, He con- 
siderably reduces the number of recorded species, and proposes some new 
divisions [infra]. Tom. cit. pp. 173-196 ; also separately with additions, 
Philadelphia : 1874, 8vo, pp. 28. 
Mus rattus. Specimen with malformed incisors described ; F. H, 
Balkwill, Zool. (s.s.) 1874, pp. 3935 & 3936. 
Hesperamys. E. Coues recognizes the sub-genera Onychomys and Ory- 
zomys^ Bd., and adds a third, Vesperimus^ sub-g. nov. ; type, H. leucopus 
(Raf.). P. Ac. Philad. 1874, p. 178. 
