LIZARDS. 81 



zenge-sliaped, frontal triang'ular, equal-sided ; nasal plate small, 

 quite lateral, internasal broad, truncated in front; ear large, near- 

 ly circular, open, simple-edged in front; 2 of the 4 scales of the 

 last preanal series larger than the rest. 



a. In spirits. N. Holland, King George's Sound. From the 



Paris Museum. 



" Scincns Duperrep,'' Bihron. 



b. In spirits. Australia. Presented by the Earl of Derby. 



The New Holland Moco. Mocoa trilineata, Gray, Zool. 

 Erehus and Terror, JRept. t. Tiliqua trilineata, Gray, Ann. N. 

 H. ii. 291. Lygosoma Duperreyii, JDum. et Bib. E. G. v. 715. 



Olive, black-spotted, with a pale streak on each side, sides 

 blackish, white-dotted ; ears moderate, oval, front edge covered 

 with 2 scales; nasal lateral, nearly contiguous, frontoparietal plate 

 single, lozenge-shaped, frontal rhombic, short and blunt before, 

 long and acute behind. 



a. In spirits. Olive, scales of the back and sides black-edged, 

 not spotted. W. Australia. From Mr. Buchanan's collection. 



b — d. Like a. W. Australia. From Mr. Gould's collection. 



e — g. In spirits. Like a. Swan River. 



h. In spirits. Olive, black and white spotted, sides blackish, 

 white-dotted. W. Australia. From Mr. Gould's collection. 



i — I. In spirits. Like h. Swan River. 



m. In spirits. Australia. Presented by the Earl of Derby. 



ff Scales of the back small, in 8 or 10 series. 



Cuming's Moco. Mocoa Cumineii. 



Olive-green, with scattered black and white spots, sides black- 

 varied, beneath silvery green ; nasal lateral, nearly contiguous, 

 internasal lozenge-shaped, nearly as long as broad, frontonasal 

 large, contiguous, frontal moderate, interparietal single, lozenge- 

 shaped, slightly nicked behind, parietal small, superciliary shields 

 4-4 ; scales of back rather small, of the sides small ; lower eyelid 

 disk moderate. 



a. In spirits. Philippine Islands. From Mr. Cuming's collec- 

 tion. 



The Black-chinned Moco. Mocoa melanopogon. Gray, 

 Zool. Erebus and Terror, Rept. t. 



Olive, varied with black, and with 2 or 3 white streaks on some 

 of the scales ; side of the head and neck black, with a white streak 

 under the eyes from the back edge of the ear ; chin and throat 

 black, with a central white spot on each scale, beneath silveiy; 

 nasal lateral, frontonasal contiguous ; scales of the back rather 

 small, in 8 or 10 series, of the sides smaller ; disk of lower eyelid 

 very large. 

 a. In spirits. Port Essington. From Mr. Gilbert's collection. 



