254 TRIONYCHID”. 
Aspilus cariniferus, Gray, Proc. Zool. Soc. 1864, p. 83, figs., and Suppl. 
Cat. Sh. Rept. i. p. 101 (1870). 
? punctulatus, Gray, Ul. ec. pp. 84, 102. 
? ornatus, Gray, ll. ce. pp. 85, 103. 
Ida ornata, Gray, Proce. Zool, Soc. 1873, p. 55, figs. 
Aspilus javanicus, Gray, l. ec. p. 67, fig. 
Trionyx ephippium, Z7’eob, Proc. As, Soc. Beng. 1875, p. 177, pl. v. 
Costal plates eight pairs, the last well developed and forming a 
median suture behind the last neural; a single neural between the 
first pair of costals; dorsal plates coarsely pitted and vermiculate. 
Dorsal skin of young with longitudinal ridges of small tubercles. 
Epiplastra in contact, or narrowly separated, in front of the ento- 
plastron, which forms an obtuse or a right angle; plastral callo- 
sities well developed in the adult, hyo-hypoplastral and xiphi- 
plastral, and coarsely sculptured like the carapace. Head mode- 
rate ; snout (on the skull) considerably longer than the diameter of 
the orbit; interorbital region, in the adult, as broad as or a little 
narrower than the nasal fossa; postorbital arch very narrow, one 
third or one fourth the diameter of the orbit; mandible with a 
strong ridge along the symphysis, the diameter of which equals or 
exceeds the diameter of the orbit. Olive-brown above and on the 
chin ; head and chin with numerous yellow spots, the largest of 
which are below the temple ; dorsal disk of young light-dotted, and 
usually with a few large blackish spots; lower parts white. 
Size of 7. hurum. 
Pegu, Tenasserim, Siam, Camboja, Malay Peninsula; Sumatra, 
Borneo, Java. 
a. Her., skull & shell. Pecu. W. Theobald, Esq. [P.]. 
b, Ye. 5 head & shell, Mergui. W. Theobald, Esq. [P.]. 
spir. (Type of 7. ‘ephippiam. ) 
ce. Her., stffd. Siam. M. Mouhot [C. ]. 
d. Yo o., ‘stffd. Camboja. M. Mouhot | C. |}. 
e-f. Ye , Spir., skull Camboja. M. Mouhot. (Types of 
separ rate, T. ornatus.) 
G. Vie., drys Pinang. Dr. Cantor. 
h. Her. , stffd. Sarawak. A. R. Wallace, Esq. [C.]. 
i, Ad. PA skull, Sarawak. 
k. Ad., skull. Borneo. 
Lm. Yg., spir. Borneo. L. D. Dillwyn, Esq. [P.]. 
n. Her., stffd., skull Java. ee 
separ. 
o-p. Yg., spir. Java. 
q, 7-s. Yg., spir. [Amboina or Madame Ida Pfeiffer [ C.]. 
Ceram ?? | 
t. Yg., spir. [Moluccas ?? ] Leyden Museum. (Type 
of T. cariniferus.) 
8. Trionyx triunguis. 
Testudo triunguis, Forskal, Descr. Anim. p. ix (1775). 
Trionyx egyptiacus, Geoffr. Ann. Mus. xiv. p. 12, pls. i. & ii. 
(1809), and Descr. Egypte,i. p. 115, pl. i. (1809) ; Strauch, Chelon. 
