IV. Km ILIA AND BATKACHIA. 
38 Kept. 
O. vom Rath, Zeitschr. wiss. Zool. lvii, 1893, pp. 97-185, pi. vii., has a 
contribution to the knowledge of the spermatogenesis in Salct - 
matidra maculosa. 
On the structure of the cells of the spermatozoids of Salamandra ; 
Benda, Verh. Anat. Ges. 1893, pp. 161-165. 
Zandek, Schr. Ges. Konigsb. xxxiii, 1892, Ber. pp. 21-26, reviews our 
knowledge of the reproduction of tailed Batrachians. 
Salamandra maculosa , Laur. : notes on the life -history ; Wacquant- 
Geozelles, Zool. Gart. xxxiv, 1893, p. 137 : on breeding habits ; 
O. vom Rath, Zeitschr. wiss. Zool. lvii, 1893, p.98. 
Molge , Merr. : a key to the determination of the European species ; 
Bedriaga, Zool. Anz. xvi, 1893, p. 214, and Ann. & Mag. N. H. 
(6) xii, 1893, p. 338: on the size of the British Newts; Bou- 
lenger, Zoologist (3) xviii, 1894, p. 145. M. vulgaris , L. : on a 
sexually mature larva ; F. Westiioff, Zool. Anz. xvi, 1893, p. 256 : 
on its occurrence iu East Switzerland ; O. Stoll, Vierteljahrschr. 
Ges. Zurich, xxxvii, 1892, p. 337. M. palmata, Schneid., described 
and anatomically investigated by Meiiely, Math. term. Kozlem. 
Magyar Ak. xxv, 1893, p. 455, and Math, naturw. Bor. Ungarn, xi, 
1893, p. 333, pis. xxi & xxii : on its occurrence in Thuringia ; Wol- 
terstokff, Zool. Anz. xvi, 1893, p. 150. M. montandoni , Blgr. : 
redescribed and compared with M. palmata , by Meiiely, t. c. : 
M. viridescens , Raf. : note by H. Piers, P. N. Scotia Inst. (2) i, 1892, 
p. 183 : on its habits and development ; E. 0. Jordan, J. Morphol. 
viii, 1893, p. 269, pis. xiv-xviii. 
Typhlotriton spelceus, Stejn. : notes by Cope, P. Ac. Philad. 1893, 
p. 384. 
Spclerpes fuscus 1 Bp. : on its habits in confinement ; J. Berg, Zool. 
Gart. xxxiv, 1893, p. 367, figs. S. melanoplcurus , n. sp., Cope, 
P. Ac. Philad. 1893, p. 383, S. W. Missouri. S. orizabensis and 
gibbicaudas , n. spp., Blatciiley, P. U. S. Mus. xvi, 1893, p. 38, 
Mt. Orizaba, Mexico. 
Cryptobranchus maxi mus , Schleg. : notes on the anatomy and sys- 
tematic position ; H. C. Chapman, P. Ac. Philad. 1893, pp. 227- 
233, fig., pis. v-vii. 
APODA. 
Jlypogeophis rostratus , Cuv. : notes by Stejneger, P. U. S. Mus. xvi, 
1891, p. 738. U. alternans, n. sp., id. t. c. p. 739, Seychelles. 
STEGOCEPHALA. 
II. Credner, Abh. Sachs. Ges. xx, 1893, pp. 475-552, figg., 4 pis, 
investigates the histology o£ the Labyrinthodont teeth, his re- 
searches being based chiefly on specimens of Scleroccphalus. 
Sclerocephalus labyrinthiciis , Geinitz, described and figured by Credner, 
Zeitschr. deutrch. geol. Ges. xlv, 1894, p. 639, pis. xxx-xxxii. 
