IV. KEPTIL1A AND BATRACHIA. 
30 Rapt. 
^ Microccelus, n. g. of uncertain position, for M. j patagonicus , n. sp. ; 
Lydekker, t. c. p. 12, pis. iii & iv, Cretaceous, Patagonia. 
H. G. Seeley, Ann. Nat. Hist. (6) xii, 1893, p. 227, fig., describes a 
double-rooted tooth from the Purbeck, 'which he refers to the Dino- 
saurian genus Nuthetes. The tooth is, later, p. 274, admitted to be 
possibly Mammalian. 
EMYDOSAURIA. 
C. ROSE, Anat. Anz. viii, 1893, pp. 458-472, figs., writes on Jacobson’s 
organ in Crocodiles ; and, pp. 745-751, figs., on the nasal and palatal 
glands in Crocodiltts porosus, 
C. B. Davenport, Bull. Mus. Harvard, xxiv, 1893, pp. 45-48, 6 pis., has 
a note on the carotids and the Ductus Botalli of the Alligator. 
Crocodilus niloticus , Laur. : biological and embryological notes on the 
Crocodile of Madagascar; Voeltzkow, SB. Ak. Berlin, 1893, 
p. 347. 
Caiman , Spix : Vaillant, Bull. Soc. zool. France, xviii, 1893, p. 217, 
proposes to substitute Jacaretinga , Spix, to this uame. 
Steneosaurus baroni , n. sp. (foss.), R. B. Newton, Geol. Mag. (3) x, 1893, 
p. 193, pi. ix, Jurassic, Madagascar. 
CHELONIA. 
L. Will, Zool. Jahrb. Anat. vi, 1893, pp. 529-615, figs., pis. xxx-xxxvi, 
has a paper on the development of the egg of Emys orbicularis. 
J. F. van Bemmelen, Anat. Anz. viii, 1893, pp. 801-803, studios the 
devolopmeutof the branchial pouchos and aortic arches in the embryo 
of Chelonc mydas. 
K. Mitsukuri, Anat. Anz. viii, 1893, pp. 427-431, figs., has a preliminary 
note on the process of gastrulation in Chelonians. L. Will, 
t. c. pp. 653 & 654, remarks on the gastrulation in Emys and 
Chelone. 
On the markings of Chelonians; Werner, Biol. Ceutralbl. xiv, 1894, 
pp. 201-206. 
G. Baur, Amer. Natural, xxvii, 1893, pp. 672-675, has a note on the 
classification of the Cryptodira. 
Podocnemis madagascariensis , Grand., n. var. bifilaris ; Bcettger, Ratal. 
Seckenb. i, p. 14, 1893, W. Madagascar. 
Sternothcerus nigricans , Donnd. : on specimens from the Seychelles ; 
Stejneger, P. U. S. Mus. xvi, 1894, p. 713. 
Testudo. On the extinct species of the Mascarenes ; Sauzier, “ Les 
Tortues de terre gigantesques des Mascareignes, etc.” (Paris : 1893, 
8vo, 32 pp.), and Gadow, Tr. Zool. Soc. London, xiii, 1894, pp. 313- 
322, pis. xlii-xliv. T. sumieirei , u. sp., Sauzier, t. c., Mauritius. 
1. sauzieri and guentheri } n. spp., Gadow, t. c., Mauritius. On the 
