78 



LACEETIDiE. 



large supratemporals bordering the parietal ; tympanic shield verj' 

 large, opercle-likc. Xo gular fold ; collar usually distinguishable. 

 Dorsal scales small, as large as or slightly larger than the laterals ; 

 52 to 64 scales round the middle of the body% venti'als included. 

 Tentrals in six longitudinal series. A large postero-median proeanal 

 plate. The hind limb reaches the car, or between the latter and the 

 eye. 13 to 10 femoral pores on each side. Tail about twice as long 

 as head and body ; caudal scales yery large. Brown or greyish above, 

 with small black spots which may form a network on the sides; 

 usually one or two pale longitudinal streaks on each side ; lower 

 surfaces white. 



Tropidosaura, part., Dtim. 4" Bihr. v. p. 163. 



Algira, part., Gray, Cat. Liz. p. 35. 



Ichnotropis, Peters, Mon. Berl. Ac. 1854, p. 617, and Reise n. 

 Mossamb. iii. p. 45 ; Stranch, Mel. Biol. Ac. St. Petersb. vi. 1867, 

 p. 408 ; Lataste, Ann. Mus. Genov. (2) ii. 1885, p. 125. 



Eremias, part., Peters, Mon. Berl. Ac. 1866, p. 888. 



Head-shields normal. Nostril pierced between three nasals. 

 Lower eyelid scaly. No trace of a collar, save a curved fold on the 

 side of the neck. Dorsal scales large, strongly imbricate, strongly 

 keeled ; ventral shields strongly imbricate, smooth. Digits sub- 

 cylindrical, with sharply keeled, spinose lamellae inferiorly. Femoral 

 pores. Tail cylindrical. 



Africa south of the equator. 



1. Ichnotropis capensis. 



Algira capensis. Gray, Cat. p. 36. 



dumerilii, Gray, I. c. 



Algyra capensis, Smith, Mag. N. H. ii. 1838, p. 94. 



Tropidosaura capensis, Dum. ^ Bibr. p. 171 ; Bianconi, Spec. Zool. 



Mosamb. p. 61. 



dumeijlii, Smith, HI. S. Afr., Rept, App. p. 7. 



Ichnotropis macrolepidota, Peters, Mon. Berl. Ac. 1854, p. 617, and 



Reise n. Mossajnb. iii. p. 46, pi. viii. tig. 1. 



dumeriUi, Bocaye, Join. Sc. Lisb. i. 1866, p. 43. 



bivittata {Bocaye), Peters, Reise n. Mossamb. p. 48. 



i 



