LIZARDS. 163 



The Oceanic Gehyra. Gehyra oceanica, Gray^ Z. M. 57. 

 G. giilaris, Gray^ B. M. Gecko oceanicus, Lesson^ Voy. Coq. 

 t. 2,/. 3, bad. Hemidactylus Oualensis, Dum. et Bib. E. G. iii. 

 350, t. 28,/. 7? 



Chin with a cross row of 3-3 shields, the two middle lowest 

 narrow, oblong-, elongate, 4-sided ; lower labial 8-8, and some 

 small square ones near the angle of the eye, the 5-5 front subequal. 



a. Adult, in spirits. Bleached. Islands in the Pacific. 



The Swan River Gehyra. Gehyra australis, Gray^ Zool. 

 Erebus and Terror, t. 



Purplish grey ; cliin and beneath white ; scales brown-punc- 

 tured; lower labial shields Q-Q, the 2 front subequal, 4-sided; the 

 chin-shields 3-3, the middle largest, oblong, elongate, 4-sided, ra- 

 ther wider in front ; preaual pores in an angular series. 



a. Adult, in spirits. Swan River. From Mr. Gilbert's collection. 



b. In spirits. The cliin-shields 2-2, the lateral ones small, with 

 some small 6-sided on their sides. Port Essington. From 

 Mr. Gilbert's collection. 



24. LUPEROSAURUS. 



Toes webbed at the base, dilated towards the end, with rather 

 curved entire transverse folds beneath, last joint short, compress- 

 ed, with a sharp incurved claw. Thumb with similar but rather 

 less hmated cross plates, without any last joint or claw, but with a 

 flat scale in its place, above. Sides of the chin with a very indis- 

 tinct fold. Legs rather depressed, with a slight fold of the skin 

 on the lower part of the sirle. The 2 lower rostrals small. Tail 

 slender, tapering, rather depressed, subannulated, with a slight de- 

 pressed margin, rather wider at the rings. Preanal and femoral 

 pores in a continued series. 



The LupERosAURE. Luperosaurus Cumingii. 



Purplish brown, black-spotted ; head marbled, with 2 oblique 

 brown lines on the temple ; chin and beneath white ; belly flat, 

 with narrow black transverse lines. 



rt, b. Adult, in spirits. Philippine Islands. From Mr. Cuming's 

 collection. 



25. Ptychozoon, Kuhl, Fitz., Wagler, Weigm. (male). 

 Pteropleura, Gray, (female). 



Toes webbed to the end, last joint short, compressed, clawed. 

 Thumb dilated, without the compressed last joint, clawless. Sides 

 of head, body, limbs and tail with broad scaly membranaceous ex- 

 pansions, that of the tail scalloped. Male with distinct femoral 

 pores, (wanting in the females). Scales of the back smooth, flat, 

 placed side by side, scattered with larger tubercles on the sides. 



