CHELONIA. 
Rept. 19 
burg Museum, with critical notes and descriptions of new or imperfectly 
known species. The classification of Chelonians is discussed, the follow- 
ing arrangement being proposed : — 
Subord. I. Thecopiiora. 
Fam. 1, Testudinida (with two tribes, Chersemyda and Chelyda ) ; 2, 
Trionychida ; 3, Carcttochelyda ; 4, Cheloniida. 
Subord. II. Atiieca. 
Fam. 5, Spharyida. 
Smets, G. Les Classifications des Cheloniens. Ann. Soc. Brux. xiii, 
pp. 101-107. 
A review of the classifications hitherto proposed. Tho review con- 
cludes by suggesting the following arrangement, which is but a slight 
modification of the Recorder’s : — 
I. Atiieca. 
II. Trionycida. 
III. Cryptodira 
IV. Pleurodira. 
G. Baur, Am. Nat. xxiv, pp. 530-535, writes on the classification of 
the Chelonians, which he divides into four suborders, viz. : Amphichelydia , 
Pleurodira , Cryptodira, Chilotce [= Trionychia]. 
Ficalbi, E. Osservazioni sulla istiologia della pelle dei Rettili Chelo- 
niani. Atti Acc. Fisiocr. Siena (4) i, 1889, pp. 39-88, pi. ii. 
Haycraft, J. B. Terminations of Nerves in the Nuclei of the Epithelial 
Cells of Tortoise-shell. Q. J. Micr. Sci. xxxi, pp. 5G3-569, pi. xliii. 
Mitsukuri, K. On the Foetal Membranes of Chelouia. Preliminary 
Communication. Anat. Anz. v, pp. 510-519. 
Researches based on Clenimys japonica , Gray, and Trionyx sinensis, 
Wiegm. 
Meiinert, E. Untersuchungen fiber die Entwicklung des Beckengfirtels 
der Emys lutaria taurica. Morph. JB. xvi, pp. 537-571, pi. xx. 
TRIONYCHOIDEA. 
Trionyx hurum , Gray, figured by Boulenger, Faun. Ind., Rept. fig. 5, 
T, phayrii, Theob., recorded from Sumatra, id., P. Z. S. 1890, p. 33, 
and from Java by M. Weber, Zool. Ergebn. p. 17G. T. vertebralis, n. sp. 
Straucii, MGm. Ac. Petersb. (7) xxxviii, No. 2, p. 113, pi. iii, figs. 
3 & 4, Gaboon. 
Pelochelys poliahovni , n. sp., id. t . c. p. 118, pi. iv, figs. 1-3, Foo Choo 
China [= P. cantoris , Gray. — Rec.]. 
r Chelouo'da. 
Chelydroida. 
Emydoida. 
Testudinida . 
