9. DAMONIA.—1O. BRLLIA. 97 
5. Damonia nigricans. 
Emys nigricans, Gray, Proc. Zool. Soc, 1854, p. 58, and Cat. Tort. 
p- 18 (1844) ; Giinth. Rept. Brit. Ind. p. 26 (1864). 
nigricans, part., Gray, Cat. Sh. Rept. i. p. 20, pl. vi. (1855). 
Clemmys nigricans, Strauch, Chelon. Stud. p. 32 (1862), 
Damonia nigricans, part., Gray, Proc. Zool, Soc. 1869, p. 195, and 
Suppl. Cat. Sh. Rept. 1. p. 44 (1870). 
Carapace tectiform, unicarinate, posterior border not serrated ; 
nuchal very small or absent ; vertebral shields broader than long, a 
little narrower than costals. Plastron not angulated laterally, flat 
in the male ; hind lobe narrower than the opening of the shell, nearly 
as long as the bridge is wide, deeply notched posteriorly ; the abdo- 
minal shields form the longest median suture, the humerals the 
shortest ; axillary and inguinal shields well developed. Head rather 
small; snout projecting ; upper Jaw scarcely notched mesially. 
Digits webbed to the claws. ‘Tail about two thirds the length of 
the shell. Carapace dark brown; plastron yellow, black-spotted, 
bridge black; marginals inferiorly half black, half yellow, the two 
colours forming a festooned pattern. Head and limbs blackish ; 
sides of head and neck with interrupted yellow streaks ; throat 
yellow, varied with black. 
Length of shell 11 centim. 
Southern China. 
a. 9, shell. China. J. Reeves, Esq. [P.]. (Type.) 
b. 3, stfid. p Zoological Society. 
10, BELLIA. 
Emys, part., Dum. §& Bibr. ii. p. 252 (1835); Gray, Cat. Tort. p. 14 
(1844), and Sh. Rept. i. p. 19 (1855); Giinth. Rept. Brit. Ind. 
p. 21 (1864). 
Clemmys, part., Strauch, Chelon. Stud. p. 28 (1862). 
Bellia, Gray, Proc, Zool, Soc. 1869, p. 197, and Suppl. Cat. Sh. Rept. 
i. p. 34 (1870). 
Orlitia, Gray, Ann. § Mag. N. H. (4) xi. p. 156 (1878). 
Heteroclemmys, Peters, Mon. Berl. Ac. 1874, p. 622. 
Neural plates hexagonal, short-sided in front. Plastron exten- 
sively united to the carapace by suture, with long axillary and 
inguinal buttresses, the latter anchylosed between the fifth and sixth 
costal plates ; entoplastron intersected by the humero-pectoral suture. 
Skull with a bony temporal arch ; alveolar surfaces without median 
ridge; choanze between the eyes. Skin of hinder part of head 
divided into small shields. Digits webbed. Tail very short, not 
longer in the young than in the adult. 
Burma, Siam, Malay Peninsula and Archipelago. 
