TITLES. 
Mamm. 15 
261. [Rhoads, S. N.] A revision of the West American Flying Squirrels. 
P. Ac. Philad. 1897, pp. 314-327. [Sciuridce.] 
262. . Notes on living and extinct species of North American Bovidce . 
T. c. pp. 483-502, pi. ii. 
263. Rhoads, S. N. & Young, R. T. Notes on a collection of small 
Mammals from North-Eastern Carolina. T. c. pp. 303-312. 
264. Riggs, E. S. Hoplophoneus occidentalis. Kansas quart, v, pp. 37-52 
(1896). [Felidae.] 
265. Ristori, G. L* Orso pliocenico di Yaldarno e d’ Olivola in Yal di 
Magra. Mem. Pal. Ital. iii, pp. 15-76, pis. ii-vii. [ Ursidce.] 
266. Robinson, G. Ice-riding Pinnipeds; a description of the migration 
and peculiarities of the Phoca grcenlandica and Cystophora cristata , 
&c., &c. London : 1897. [Phocidce.] 
267. Robinson, L. Wild traits in tame animals : being some familiar 
studies in evolution. London and Edinburgh : 1897, 8vo, xii & 
329 pp., illustrated. 
268. Rorig, A. Uober Schutzfarbung bei den Cerviden. Zool. Garten, 
xxxviii, pp. 13-16. 
269. . Zur Morphologic des Rehes ( Capreolus vulgaris). T. c. 
pp. 369-371. [ Cervidce .] 
270. Rollinat, R. & Trouessart, E. Sur la reproduction des Chauves- 
Souris; n. Les Rhinolophes. Mem. Soc. zool. France, x,*pp. 114-138. 
\Chiroptera.\ 
271. Rothschild, W. Note on a new Antelope. Ann. Nat. Hist. (6) xx, 
pp. 376 & 377. [ Bovidce .] 
272. Ruge, E. Das Knorpelskelet des ausseren Ohres der Monotremen — 
ein Derivat des Hyoidbogens. Morphol. Jahrb. xxv, pp. 202-223, figg. 
[Monotremata.] 
273. *Satunin, K. Die Saugethiere der Wolga-Ural Steppe. Beilag. 
Sitzprot. Ges. Univ. Kazan, 1896, No. 158. 
274. Scabra, A. F. Noticia sobre algumas especies do genero Pteropus 
provenientes da Ilha de Timor. J. Sci. Lisb. (2) xviii, pp. 117-125. 
275. Scampani, G. Sulle vie biliari della Talpa cieca ( T '. coeca , Linn.). 
Monit. Zool. ital. viii, p. 56. [Talpidce.] 
276. Scharff, R. F. On the origin of the European Fauna. P. Irish 
Ac. (3) iv, pp. 427-514. 
277. Schiemenz, P. Hat das Ur-rind ( Bos primigenius, Boj.) noch in 
historischer Zeit gelebt ? Biol. Centralbl. xvii, pp. 793-798. [Bovidce.] 
278. Schlosser, M. Ausgrabungen und Hohlenstudien im Gebiet des 
oberfalzischen und bayrischen Jura. CB. Ges. Anthrop. 1897, 
Nos. 4 & 5. 
279. . Bemerkungen zu Leche’s Entwickelungsgeschichte des Zahn- 
systems der Saugethiere. Anat. Anz. xiv, pp. 17-21. 
280. Schulze, E. Mammalia Europoea. Helios, xxiv, pp. 75-100. 
281. Sclater, P. L. On the distribution of Marine Mammals. P. Zool. 
Soc. London, 1897, pp. 349-358, pi. xxiv; Zoologist (4) i, pp. 217-228. 
282. Sclater, P. L. & Thomas, O. The Book of Antelopes, parts vii-ix. 
[Bovidce.] 
