of Reptiles from Madarjascar . 315 



Tliree specimens from Anzahamaru ; one specimen from 

 Malianoro. 



Gonrjylus melanopleura. 



Rostral shield low, naiTow, with an upper straight margin ; 

 suj)ranasals in contact with each other ; frontal nearly as long 

 as broatl, subtriangular, with an umlulated posterior margin ; 

 vertical large, bell-shaped, much narrower in front than behind, 

 with an excision in the middle of its hind margin, the central 

 occipital fitting into the excision. One pair of occipitals. 



Nostrils situated entirely within the rostral shield ; post- 

 » nasal smaller than loreal. Six upper labials, the fourth 

 being the longest and situated below the eye. 



Front lower labial small and narrow, followed by a single 

 mental of a pentagonal shape. Six lower labials. 



p]yelid with a transparent disk. Ear-opening small, round. 



Body surrounded by 25 longitudinal series of scales ; there 

 are 54 transverse series of scales between the mental and the 

 vent. Four praianal scales,.tlie two central ones being the 

 largest. 



Fore limbs extremely small, with a postaxillary groove 

 not well developed. When laid forward they do not reach 

 the ear-opening. Toes very short, third and fourth equal in 

 length. The hind limb short with very short toes, the second 

 and fifth being equal in length, and the fourth one fourth 

 longer than the third. 



Upper parts brown, sprinkled with black. Sides towards 

 the back black, this colour forming a band ill-defined below 

 and margined with white above. 



Lower part of sides dotted with black. Abdomen whitish. 



millim. 



Distance of the snout from the eye '■^ 



,, „ ear-opening .... 8 



„ „ fore limb 15 



„ „ vent 50 



Length of tail 53^ 



„ fore limb 8 



,, third front toe 1^ 



„ hind limb 14 



„ fourth hind toe 4^ 



One specimen from Anzahamaru. 



Chamceleon gallus. (PI. XVI. fig. B.) 



Allied to ('/lamreleon nasufus. Snout with a long, pointed, 

 flexible a])pcndage (in the male), which is covered with large 



