484 bulletin: museum of comparative zoology. 



17. Trachyloptychus madagascariensis Peters. 



Four from Tulear. These lizards represent another of the rare 

 local forms met with only about Tulear and the southwestern desert 

 region. 



Scincidae. 



18. Mabuya elegans (Peters). 



Two from Tulear and one from the Eastern Forest. 



19. Mabuya gravenhorsti (Dumeril & Bibron). 



This common species is represented by six adults from the Eastern 

 Forest and two from the swamps at Didy. The Museum has had it 

 previously from several other localities and it is widely distributed 

 over the island. 



20. Scelotes brunneus, sp. nov. 

 Plate 2, fig. 1, 2. 



Type. — M. C. Z. 11,870. Tanandra River, two days journey west 

 of Tamatave, Madagascar. F. R. Wulsin. 



Related to 8 astrolabi Dumeril & Bibron, but differing in having 

 36 not 34 scales about the body, and in having the postnasal so small 

 that it is reduced to a simple ring, which, however, permits the loreal 

 to separate the supranasal and the first supralabial. Uniform rich 

 brown above, yellowish below. 



21. Sepsina gastrosticta (O'Shaughnessy). 

 A single specimen from the Eastern Forest. 



22. Sepsina melanura (Giinther). 

 One from the Eastern Forest and two from the swamps near Didy. 



