NELLY DE ROOV. REPTILES. 147 



as long as the frontoparietal, narrower, in contact vvith the two anterior supraoculars; five 

 supraoculars, last very small ; seven supraciliaries; frontoparietals and interparietal fused ; 

 parietals in contact behind the latter shield ; a pair of nuchals and a pair of temporals; four 

 labials before the large subocular. Body slender, 30 — 34 smooth scales round the middle, 

 dorsals largest, trilineated, laterals smallest; praeanals a little enlarged. Tail twice as long as 

 head and body. Limbs strong, the hind limb reaches the axilla; digits moderate, basai part 

 rounded, distal compressed ; fourth toe vvith 33 — 40 smooth lamellae below. 



Olive-brown above, head and nape paler and usually uniform ; back with blackish spots, 

 often arranged in a double line on.each side, sometimes separated by lighter coloured spaces; 

 a light dorso-lateral streak, beginning above the eye, to the hind limbs; tail and limbs olive, 

 with pale and black spots; flanks black with a pale streak from axilla to groin and pale- 

 spotted, sometimes white-spotted. Lower parts yellowish-white, stained with green. 



Length from snout to vent varies between 21 and 44 mm. 



38. Lygosoma rufescens (Shaw). 



Boulexger, Cat. Liz. III 18S7, p. 303. 



de Roov, Indo-Austr. Rept. I 191 5, p. 267, fig. 92, 93. 



Van Weel's Camp 1907, 1 spec. 

 Alkmaar 1909, 6 spec. 

 Kloof Camp 19 12, 1 spec. 



39. Ablephams boutoni (Desj.). 



Boulexger, Cat. Liz. III 1887, p. 346. 



de Roov, Indo-Austr. Rept. I 1915, p. 272, fig. 96. 



Merauke 1904, 19 spec. 



They belong to the subspecies peroni Coct. 



CHELONIA. 



Fam. Chelyidae. 



40. Emydura albertisi Blgr. 



Boulexger, Cat. Chel. 1889, p. 232. 



Siebexrock, Zooi. Jahrb. Supplem. X 1909, p. 584. 



de Roov, Indo-Austr. Rept. I 1915, p. 319. 



Sabang on Lorentz River 1907, 1 spec. 

 Alkmaar 1909, 1 young spec. 

 Bivak Island 191 2, 1 young spec. 



The spécimen from Sabang, a female, is the largest that is known, 190 mm.; the plastron 

 is yellow with red vermiculations. The young ones hâve dark brown plastrons, each shield 

 broadly bordered with yellow. 



41. Emydura subglobosa (Krefft). 



Boulexger, Cat. Chel. 1889, p. 232. 



Siebexrock, Zool. Jahrb. Supplem. X 1909, p. 5S4. 



