TITLES. 
Mamm. 17 
306. [Thomas, O.] Description of four new South American Mammals. 
Ann. Nat. Hist. (6) xix, pp. 218-221. [ Muridce , Dasyproctidce.] 
307. . On two new Rodents from Van, Kurdistan. 7\ c. pp. 308-310. 
[Muridce, Dipodidce .] 
308. . On the Dwarf Mungoose ( Helogale ) of Somaliland. T. c. 
pp. 377-379. [ Viverridce.] 
309. . Diagnosis of a now subspecies of Gazelle from British East 
Africa. T. c. p. 479. [Bovidce.] 
310. . Description of new Bats and Rodents from America. T. c. 
pp. 644-552. 
311. . Types in natural history and nomenclature of Rodents. 
Science (2) vi, pp. 485-487. 
312. . New African Mammals. P. Zool. Soc. London, 1897, pp. 
430-436. [Macroscelididce, Sciuridce, Muridce , Octodontidce .] 
313. . On the Mammals obtained by Mr A. Whyte in Nyasaland, 
and presented to the British Museum by Sir H. H. Johnston, 
K.C.B. ; being a fifth contribution to the Mammal-fauna of Nyasa- 
land. T. c. pp. 925-939, pi. liv. [ Macroscelididce , Soricidce , Sciuridce, 
G Hr idee .] 
314. . On some new Phalangcrs of the genus Pseudochirus. Ann. 
Mus. Genova (2) xviii, pp. 142-146. [ Marsupialia .] 
315. . On the Mammals collected in British Now Guinea by Dr 
Lambcrto Loria. T. c. pp. 606-622, pi. ii. [ Emballonuridce , Muridce, 
Marsupialia.] 
316. . On some Bats obtained in the Surat and Thana Districts by 
Mr R. C. Wroughton. J. Bombay Soc. xi, pp. 274-276. [ Vesper- 
tiliojiidce.] 
317. Thomas, O. & Kirby, F. V. On an Antelope of the genus Cervi- 
capra. P. Zool. Soc. London, 1897, pp. 894-898. [Bovidce.] 
318. Thomas, O. & Lydekker, R. On the number of grinding-teoth 
possessed by the Manatee. T. c. pp. 595-600, pi. xxxvi, and p. 814. 
[Sirenia.] 
319. Thompson, D’Arcy. Report on his mission to the Behring Sea in 
1896. London : 1897, “Blue Book,” 39 pp. 
320. Tiemann, H. Ueber die Bildung der primitiven Choane bei Sauge- 
tieren. Verh. Ges. Wurzburg, xxx, No. 5, 19 pp., 1 pi. (1896). 
321. Tomes, C. S. Note upon the minute structure of the teeth of 
Notary ctes. P. Zool. Soc. London, 1897, pp. 409-412. [Marsupialia.] 
322. . On the development of Marsupial and other tubular enamels, 
with notes upon the development of enamel in general. P. R. Soc. 
London, lxii, pp. 28-30. 
323. Toni, E. de. Sopra un ibrido naturale di Canis familiaris e G. vulpes. 
Atti 1st. Veneto (7) viii, pp. 912-916. [Ganidce. j 
324. Toula, F. Plioca vindobonensis , n. sp., von Nusdorf in Wien. Beitr. 
Pal. Oesterr.-Ung. xi, pp. 47-70, pis. ix-xi. [Pliocidce.] 
325. Townsend, C. H. Descriptions of a new Eagle from Alaska, and a 
new Squirrel from Lower California. P. Soc. Washington, xi, pp. 
145 & 146. [Sciuridce.] 
326. Tredgold, A. F. Variations of ribs in the Primates , with especial 
reference to the number of sternal ribs in Man. J. Anat. Physiol, 
norm. path, xxxi, pp. 288-302. 
1897. [Vol. xxxiv.] o 2 
