Dr. A. Giiutlier 07i some Reptiles from Madagascar. 263 



in Eastern Betsileo, more especiallj at Arkafana. The col- 

 lection contained also large series of Gongylus splendidus^ 

 Chamoileon 0^ Shauqhnessn, Chamceleon hrevicornis (with 

 "which C.jf^w^aris is identical), Sanzinia madagascariensis^ &c. 



Gongylus macrocercus. 



Supranasal shields narrow, in contact with each other. 

 Rostral sliield Avith the upper margin straight. Frontal 

 broad, single, with a straight posterioi- margin. Vertical 

 large, bell-shaped, narrower in front than behind, with a 

 shallow notch in the middle of its hind margin, the small 

 central occipital fitting into the notch. One pair of occipitals. 

 Nostrils in a notch of the rostral shield ,• postnasal only one 

 fifth the size of the loreal. Seven upper labials, the fourth 

 larger than the third, and situated below the eye. Anterior 

 lower labial rather narrow, succeeded by a single mentale, 

 which is rather broader than long ; seven lower labials. 



Eyelids scaly ; ear-opening small, round. Body surrounded 

 by twenty-seven, twenty-eight, or twenty-nine longitudinal 

 series of scales. There are from seventy-three to seventy- 

 seven transverse series of scales between the mentale and the 

 vent ; the body therefore is slender. 



Four preanal scutes, the two central ones being the largest. 



Fore limbs small, reaching but little beyond the ear-opening 

 when laid forward. Toes short, the third and fourth equal 

 in length. The hind limb and toes short, the fifth toe 

 longer than the second, the fourth and fifth longer than the 

 third. Upper parts brown, finely mottled with darker; lower 

 parts whitish. 



millim. 

 A. B. 



Distance of the snout from the eye 5 ; 4-5 * 



„ „ „ ear-opening.. 13; 12'5 

 „ „ „ fore limb . . 27 ; 23 

 „ „ „ vent 90 : 92 



Length of the tail 150 ; ( broken) 



„ „ fore limb 15 ; 12 



„ „ third front toe 3'5 ; 2 



„ „ hind limb 25 ; 20 



„ „ fourth hind toe 9 j 5 



Several specimens from Eastern Betsileo. 



Ptyas infrasignatus. \ 



Head moderately broad and high, distinct from neck, with 

 the snout not elongate. Body rather elongate. Tail of 

 moderate length. Eye rather large. Rostral sliield a little 



19* 



