10 REPTILES. 



The LuNATED Uaran. Uaranus lunatus. 



Nostrils large, nearly central ; shields over orbit small, sube- 

 qual; dark brown, with lunate bands, directed backwards on the 

 neck, and forwards on the body, and with cross bands on the tail ; 

 belly and under side of tail whitish. 



a. Half-grown, stuffed. India. 



The Philippine Uaran. Uaranus ornatus. 



Nostrils large, central ; shields over orbit small, subequal ; 

 olive, neck and front of the body with pale-spotted, broad, black 

 cross bands ; the hinder part of the body and tail with pale spots. 



a. Half-grown, in spirits. Philippine Islands. From Mr. Cu- 

 ming's collection. 



Dumeril's Uaran. Uaranus Dumerilii. Monitor Dumerilii, 

 Muller, Verh. Rept. t. 6. Schlegel, Ahhild. 78. 



Brown, with obscure cross bands, with a black spot on side of 

 neck ; shields of the head and over the orbit nearly equal, mode- 

 rate ; scales large, convex. 

 a. In spirits. Borneo. From Mr. Argent's collection. 



The Rough-necked Uaran. Uaranus rudicollis. 



Nostrils large, nearer the orbit than the end of the muzzle ; 

 shields over the orbits nearly square, the hinder central ones ra- 

 ther larger; scales of the back triangular, keeled, of the neck large, 

 prominent ; muzzle elongate ; black, with white streaks on back 

 of neck, and bands across the back. 



a. Adult, stuffed- Philippine Islands. From Mr. Cuming's col- 



lection. 



b. Scales over the orbit sinall, with a central longitudinal series of 



larger plates. 



The Clouded Uaran. Uaranus nebulosus. Monitor nebu- 

 losus. Gray, in Griff. A. K. ix. 27. Dum. et Bib. E. Gen. iii. 483, 

 t, 35,/. 2, 3, head and scales. M. nebulatus, Schlegel, Abbild. 75, 

 n. 7. 



Nostril large; rather nearer the orbit than the end of the muz- 

 zle ; orbital shield with a larger series ; back of neck with con- 

 verging dark streaks. 



o. Half-grown, in spirits. 



h. Young, in spirits. Olive, with white-eyed black rings. India. 



c. Half-grown, stuffed. From Mr. Warwick's collection. 



C. Tail triangular^ compressed., and ivith a doubly toothed crest 

 above. Nostril small, round. Aquatic. 



6. Monitor, Gray. Polydasdalus, Wagler. Uaranus, Fitz. 



Nostrils small, round, in the middle between the apex of the 



