TITLES. 
Mamm. 15 
247. Pavlow, M. (Madam). Protohijopus en Russie. Bull. Soc. Moscou 
1903, pp. 173-182, pi. iii. \Penssodactyla. J 
248. . Etudes sur l’histoire paleontologique des Ongul4s. T. c. 
pp. 200-221, pis. vi & vii. [ Bovidce .] 
249. . Procamelus du gouvernement de Kherson. Mem. Soc. nouv 
Russ, xxv, pp. 113-133, pi. i. [ Camelidce .] 
250. . Mastodon angustidens Cuv., et Mastodon , cf. longirostris Kaup, 
de Kertch. Annuaire geol. Russ, iv, pp. 121-139, pis. li & iii. [Pro- 
boscidea .] 
251. Pearl, R. On two cases of muscular abnormality in the Cat. Biol. 
Bull, v, pp. 336-341, fig. [Felidce.] 
252. Perkins, R. C. L. Mammalia [in] Fauna Hawaiiensis i, pp. 465 & 
466. 
253. Philippi, R. A. Einige neue Chilenische Canis- Arten. Arch. Naturg. 
1903, i, pp. 155-160. [Canidce.] 
254. Piaz, G. Dal. Sugli avail zi di Cyrtodelphis sulcatus dell’ arenaria di 
Belluno. Parte prima. Palreontogr. ital. ix, pp. 187-219, pis. xxviii- 
xxxi. [Cetacea.] 
255. Pocock, R. I. The coloration of the Quagga. Nature lxviii, pp. 356 & 
357. [ Ungulata .] 
256. . Note on Burchell’s Zebra. P. Zool. Soc. London 1903, ii, 
pp. 196 & 197, fig. [ Perissodactyla .] 
257. Portis, A. Ancora delle specie Elefantine fossili in Italia. Boll. 
Soc. geol. Ital. xxii, pp. 143-146. [Proboscidea.] 
258. Prentiss, C. W. Polydactylism in Man and the Domestic Animals, f 
with especial reference to digital variation in Swine. Bull. Mus. 
Harvard xl, pp. 245-314, pis. 22. [Suida;.] 
259. Prentiss, D. W. Description of an extinct Mink from the shell- 
heaps of the Maine coast. P. U. S. Mus. xxvi, pp. 887 & 888, fig. 
[Mustelidce.] 
260. Racovitza, E. G. Cetaces [in] Exped. Antarct. Beige — Zoologie, j 
pp. 143, pis. 4. [Cetacea.] 
261. Ramanan, V. Y. On early Sanskrit references to the Tiger. P. Zool. 
Soc. London 1903, ii, pp. 318 & 319. [Felidce.] 
262. Rauther, M. TJeber den Genitalapparat einiger Nager und Insekti- 
voren. Jena. Zeitschr. xxxi, pp. 377-465, pis. vii, ix. [. Tnsectivora , 
Rodentia.] 
263. . Bemerkungen ueber den Genitalapparat und die Analdriisen 
der Chiropteren. Anat. Anz. xxiii, pp. 495-507, figg. [Chiroptera.] 
264. Rawitz, B. Literarischer Nachtrag zu “ Das Zentralnervensystem 
der Cetaceen.” Anat. Anz. xxiii, pp. 285 & 286. [Cetacea.] 
265. . Beitrage zur mikroscopischen Anatomie der Cetaceen. Int. 
J. Anat. xx, pp. 267-273 & 429-435, figg. [Cetacea.] 
Rehn, J. A. G. [See Miller & Rehn (218), and Stone & Rehn (312).] 
266. Rejsek, J. Anheftung (Implantation) des Saugethieries an die 
Uteruswand, insbesondere des Eies von Spermophilus citillus. Arch, 
mikr. Anat. lxii, pp. 259-273, pi. x. [Sciuridce.] 
