l;34 



■r£STUDIJIll>-E. 



fig. 2 (1835); Gray, Cat. Tort. p. 30 (1844) ; Giebel, Zeitschr.f. 

 (jes. i\Y/^MV?o. xxvii. p. 11 (186G). 

 Ciiora amboineiisis, Gray, Cat. Sh. Rept. i. p. 41 (1855) ; Giinth. JRepi. 

 Brit. Lid p. 12, pi. iv. figs. A, B (1864) ; Gray, Suppl. Cat. Sh. 

 Eept. i. p. 21 (1870), and Append, p. 10 (1872) ; Theoh. Cat. Kept. 

 Brit. Ind. p. 7 (1870). 



Carapace depressed and tricarinate in the )'oung, usually very 

 convex and without or with a single keel in adult females ; verte- 

 bral shields as long as broad or a little longer than broad in the 

 adult, broader in the young, much narrower than the costals. 

 Pkastron as large as the opening of the shell in the adult, without 

 distinct bridge ; no anal notch ; the line of junction between the 

 hyoplastron and the carapace shorter than that between the hypo- 

 plastron and the carapace ,; pectoral shields as long as or shorter 

 than the abdominals, as long as or slightly longer than the humerals ; 

 axillary and inguinal small or absent. Head rather small ; upper 

 jaw scarcely hooked, without any emargination. Front part of 

 arm with large transverse scales. Digits moderately webbed, with 

 sharp claws. Carapace brown or blackish ; plastron yellow with 

 large black spots, or dark brown with the suture between the shields 

 yellow ; in the very young the black spots of the plastron are con- 

 fluent into a broad longitudinal zone, the borders of the plastron 

 being yellowish ; head and neck brown above, yellow inferiorlj' ; a 

 yellow band borders the head and neck superiorlj", meeting its 

 fellow above the nostrils ; a second yellow band passes through the 

 eye and is separated from the upper jaw by a dark brown band; 

 ear yellow. 



Length of shell 20 centim. 



Burma, Siam, Malay Peninsula and Archipelago eastwards to 

 the Moluccas. 



a. $,stHcl. 



h. $,stffd. 



c. Hgr., stffd. 



<he,f,(j. 2, hgr., &yg., 



spir. 

 h. Yg., spir. 

 i, k. llgr. & Yg., spir. 

 l-m. Hgr., spir. 

 n. Several specs., § , hgr., 



& yg., spir. 

 0. Yg., spu'. 

 p. (5, skel. 

 q. c? , stfi"d. 

 i: 5 , spir. 

 s. 2 , skel. 

 t. c?, stffd. 

 u. Yg., shell. 

 V. Hgr., stlfd. 

 to, .V. (S , sl{els. 

 y. 2 > shell. 



Siam. 

 Malacca. 

 Singapore. 

 Borneo. 



Borneo. 

 Philippines. 

 Laguua del Bey. 

 Dinagat Id. 



N. Celebes. 

 Manado. 

 Gilolo. 

 Amboyua. 



Ambovua. 



p" 



o 



Capt. Ince [P.]. 



Dr. Bleeker. 



A. R. Wallace, Esq. [C.]. 

 H. Cuming, Esq. [C.]. 

 Dr. A. B. Meyer [C.]. 

 A. Everett, Esq. [C.]. 



Dr. A. B. Meyer [C.]. 



Leydcn Museum. 

 Levden Museum. 

 T.'BeU, Esq. [P.]. 

 J. E. Gray, Esq. [P.]. 



