15. CTCLEMTS. 133 



a, b, c, d, e, f, y. Ad., hgr., tfc Lao Mountains. M, Mouhot [C.]. (Types.) 



vg., stn'tl. 



h. Ad., shell. Cachar ? T. C. Jerdon, Esq. [P.]. 



4. Cyclemys trifasciata. 



Sternotlioenis trifasciatus, Bell, Zool. Jonrn. ii. p. 305, pi. xiii. 



(1825). 

 Cistudo trifasciata, Grat/, Si/n. Itcpt. p. 19 {IS-M) , and III. Ind. Zool. 



ii. pi. Lxi. (18.34) ; Dum. ^- Bihr. ii. p. 219 (1835) ; Gray, Cat. 



Tort. p. 31 (1844). 

 Cuora trifasciata, Gray, Cat. Sh. BcpL i. p. 42 (1855); Gunth. liept. 



Brit. Ind. p. 14 (1864). 

 Terrapene trifasciata, Strauch, Clielon. Stud. p. 27 (18G2). 



Carapace depressed, •with three obtuse keels, the lateral of which 

 may become indistinct in the adult ; vertebral shields as long as 

 broad or a little broader than long, much narrower than the costals, 

 first a little broader than second. Plastron as large as the opening 

 of the shell, without distinct bridge, posterior lobe angularly notched ; 

 the line of junction between the hyoplastron and the carapace 

 shorter than that between the hypoplastron and the carapace ; 

 pectoral shields as long as or a little longer than the abdominals, as 

 long as or longer than the humerals ; inguinal small or absent. Head 

 small; upper jaw feebly hooked. Digits moderately webbed, with 

 sharp curved claws. Front part of arm with largo scales. Cara- 

 pace brown, with three black streaks along the keels ; plastron 

 blackish, with a yellow border, sometimes with traces of radiating 

 yellow lines ; head yellowish, with two black streaks on each side, 

 passing through the eye and joining above the ear; neck brown. 



Length of shell 17 centim. 

 S. China. 



J. Pteeves, Esq. [P.], 

 J. Reeves, Esq. [P.]. 

 R. luglis, Esq. [C.]. 



5. Cyclemys amboinensis. 



Testudo amboinensis, Daud. Rept. ii. p. 309 (1802). 



? Testudo melaiiocephala, Daud. I. c. p. 128. 



Emys amboinensis, Sclnveiyy. Prodr. p. 45 (1814). 



couro, Schweiyy. I. c. p. 40 ; Schley. Faun. Japan., Rept. p. G3 



(1833). 

 Terrapene amboinensis, Merr. Tent. p. 28 (1820) ; Strauch, Chelon. 



Stud. p. 99 (^1862), and Verth. Schildkr. p. 47 (1805) : Sowerby Sf 



Lear, Tort. pi. xxiii. (1872). 

 Klnosternon amboineuse, Bell, Zool. Joiirn. ii. p. 805 (1825), 

 Terrapene bicolor, Bell, I. c. p. 484, pi. xvi, 



couro, Fitziny. N. Class. liept. p. 45 (1826). 



Cistudo amboinensis, Gray, Syti. Rept. p. 19 (1831), and III. Ind. 



Zool. i. pi. Ixxvii. fig. 2 (1832): Dmn. i^- Bihr. ii. p. 215, pi. xv. 



l2 



