122 REPTILES. 



b. Rostral rounded, erect. Head pyramidical. 



3. GoNGYLUs. Legs 4. Toes 5-5. Body subfusiform. Lower 

 eyelid transparent. Frontoparietal shield none. Ears simple. 



4. Thyrus. Legs 4. Toes 5-5. Body fusiform. Lower eyelid 



transparent. Frontoparietal shield distinct. Ears toothed in 

 front. 



5. Amphiglossus. Legs 4. Toes 6-5. Body elongate, cylin- 



drical. Ears distinct. Lower eyelid scaly. 



6. Seps. Legs 4. Toes 3-3. Body cylindrical, elongate. Ears 



distinct. Lower eyelid transparent. 



7. Heteromeles. Legs 4. Toes 2-3. Body cylindrical, elon- 

 gate. Ears indistinct. Lower eyelid transparent. 



a. Rostral large, rather produced, zvith a large nasal notch. 



Head ivedge-shaped. 



1. Sph^nops, Wagler. 



Head wedge-shaped, rounded in front. Rostral large, keeled 

 in front. Chin flat. Upper lip covering the mouth. Nostrils 

 lateral, in a notch in the hinder edge of the large rostral, super- 

 nasals united into a cross band, small, frontonasal and frontopa- 

 rietal none, internasal and frontal large, broad, interparietal small, 

 triangular. Tongue scaly, nicked. Teeth conical, simple. Pa- 

 late not toothed, with a longitudinal nick. Lower eyelid trans- 

 parent. Ears small, covered by the last scales of the temple. 

 Body elongate, angular below. Limbs rather weak. Feet small. 

 Toes 5-5, unequal, subcylindrical, not toothed on the edge, clawed. 

 Tail conical, pointed. 



The Sph^nops. Sphsenops sepsoides. Reuse, Mus. Senk. 64. 

 Gray, Ann. N. H. ii. 288. Scincus sepsoides. And. Geojf'r. 

 Rept. Egypt, t. 2, /. 2—10. Sav. Rept. Egypt, t. 2, /. 9, 10. 

 Sphaenops capistratus, Wagler, Syst. 161. Dum. et Bib. E. G. v. 

 578, t. 57, /. 3. S. frenatus, Rupp. Mus. Francf. S. de Seba, 

 Cod. Seine, f. Seba, Thes. iii. 15, t. 12,/. 6. 



Pale brown, with longitudinal series of black dots and a black 

 streak on each side of the muzzle. 



a — c. Adult, in spirits. Egypt. Presented by Dr. Edw. Ruppell. 

 d—g. Adult, in spirits. (.'' Tail reproduced). N. Africa. Pre- 

 sented by M. Lefebre. 



