with yellow or with yellow bands along the sutures, or with 

 a broad band on each side; soft parts dark brown or black, with 

 some large yellow spots on the head, disappearing in the 

 adult. Length of shell 200 mm. 



Habitat: Sumatra (Medan!, Deli!, Sukaranda in Langkat, 

 Indragiri, Djambi!, Palembang!, Fort de Kock); Borneo!; Java 

 (Depok, Duri). Malay Peninsula; Penang; Siam; Cambodja; 

 Tenasserim ; Philippines. 



Freshwater-tortoise, living in streams and ponds; carnivorous. 



6. Geoemyda Gray. 



Geoemyda^ Gray, Proc. Zool. Soc. London 1834, p v 100. 



Geoemyda^ Boulenger, Cat. Chel. 1889, p. 135. 



Nicoria, Gray, Cat. Sh. Kept. I 1855, p. 17. 



Nicoria, Boulenger, Cat. Chel. 1889, p. 118. 



Heosemys, Stejneger, Proc. Biol. Soc. Wash. XV 1902, p. 258. 



Heosemys, Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 506. 



Geoemyda^ Armandale, Rec. Ind. Mus. Vol. IX Part II 1913, p. 64. 



Head covered with smooth skin, undivided. Alveolar surfaces 

 narrow, without median ridge; choanae between the eyes. 

 Neural plates hexagonal, short-sided behind or alternately 

 tetragonal and octagonal. Plastron united to the carapace by 

 suture. Digits with or without a short web; five claws on the 

 fore limb, four on the hind limb. Tail very short. 



Distribution. Burma; Malacca; Indo- Australian Archipelago; 

 C. and S. America. 



Key to the Indo-Australian species. 



A. Carapace tricarinate; no axillary and inguinal shields 5 



bony temporal arch present I. G. spengleri p. 298. 



B. Carapace unicarinate; axillary and inguinal shields 



present; no bony temporal arch 2. G. spinosa p. 300. 



i. Geoemyda spengleri (Gmel.). 



Tcsludo spengleri^ Gmelin, Syst. Nat. I 1789, p. 1043. 

 Nicoria spengleri^ Boulenger, Cat. Chel. 1889, p. 120 (s. syn.). 

 Geoemyda spengleri^ Siebenrock, Zool. Jahrb. Suppl. X 1909, p. 495. 



Carapace depressed, with three strong keels; anterior margin 

 serrated, posterior margin strongly serrated, each marginal 

 ending in a point. Nuchal trapezoid, broadest behind, emar- 

 ginate posteriorly; vertebrals more broad than long, about as 



