16 Rept. 
REPTILIA AND BATRACHIA. 
Emys orbicularis, L.: on its variations in Dalmatia ; id. Yerh. z.*b. 
"YVien, xli, p. 767 : on its occurrence in Mecklenberg ; L. Will, 
Arch. Ver. Mecklenb. xliv, p. 60 : on a monstrous specimen ; Camerano, 
Boll. Mus. Zool. Anat. Comp. Torino, vi, No. 106, fig. 
L. Vaillant, Ann. Sci. Nat. (7) xij, pp. 50-63, discusses the nomen- 
clature of the various genera into which Emys of old authors has been 
split up. In his opinion, the name Emys , in its restricted sense, should 
be applied to the group of which E. picta , Schn., is the type. 
Oistudo , Flem. : remarks by Baur, Science, xvii, p. 190, who points out 
distinctive cranial characters in C. major, Ag., and C. Carolina , L. 
Testudo, L. In a paper dealing with recently extinct animals, F. A. Lucas 
devotes a chapter to the Galapagos and Mascareuo Tortoises, with figures 
of T. nigrita and T. elepliantopus , Smiths. Report, 1889, pp. 643-647, 
pi. civ. T. grccca , L. : on its mode of pairing ; J. Baujioe, Zool. Gart. 
xxxii, p. 274. T. microtympanum , n. sp., for the skull of an extiuct 
species, probably from Mauritius : Boulenger, P. Z. S. 1891, p. 4, figs. 
T. globosa, p. 3, pi. i, figs. 1-4 [= T. grccca. — Rec.], oriens, p. 9, pi. ii, 
fig. 12, and seminota , p. 10, pi. ii, fig. 13, n. spp. (foss.), Portjs, Rettili 
pliocenici del Valdarno superiore, Pliocene of Tuscany. 
G. A. Boulenger remarks on some variations in the skulls of Cltelonc 
mydas and Thalassochelys caretta ; P. Z. S. 1890, p. 618. 
Pliochelys derelicta , n. sp. (foss.), for a fragment of carapace from the 
Pliocene of Tuscany, Portis, op. cit. p. 17, pi. ii, figs. 17 & 18. [This 
fragment the Recorder regards as belonging to the seventh right costal 
and corresponding marginal of Thalassochelys caretta , L.] 
Sternothcerus nigricans, Lacep., and S. castaneus , Schw. : ou their dis- 
tinctive characters ; Vaillant, Bull. Soc. Philom. (8) iii, p. 94. 
U'ydrasgis leithii , Carter (foss.) : note on a fragment of plastron ; 
Lydekker, Rec. Geol. Surv. Iud. xxiii (1890), p. 23, fig. 
Compsemys , Leidy (foss.) : the characters discussed by Baur, P. Ac. 
Philad. 1891, p. 411, who regards it as allied to Pleurosternum. 
G. Baur, Am. Nat. xxv, pp. 631-639, writes on the relations of Caretto- 
chelys insculpta , Ramsay, and reproduces, pis. xiv-xvi, photographs of 
the type specimen. The author thinks very probable that the 
Caret tochelydidie are very close to the ancestors of the Trionychoidca. 
Also Science, xvii, p. 190. 
Eosphargis gigas , Ow. (foss.) : ou fragments of a scapula ; Lydekker, 
Q. J. Geol. Soc. xlvii, p. 39, fig. : on a humerus ; Boulenger, P. Z. S. 
1891, p. 7, fig. 
IOHTHYOSAURIA. 
H. G. Seeley, Rep. Brit. Ass. 1890, p. 809, remarks on the vertebras 
in the Ichthyosauriaus. 
Fraas, E. Die Ichthyosaurier der Suddeutscheu Trias- und Jura- Abla- 
garajnageu. Tubingen : 1891, 4to, 81 pp„ 14 pis. 
