160 Lacertidiv. 



in the British Museum. It has since been repoi'ted from Southern 

 China, near Canton. 



Tachydromm chinensis, T. Vogt, Sitzb. Ges. Nat. Fr. Berl. 1914, 

 p. 98, is said to be similar to P. hvehnei, but there are only three pairs 

 of chin-shields and the ventral plates are obtusely keeled, o femoral 

 poi'es on each side. — Northern parts of the Province Kuangtung 

 S. China. 



18. TROPIDOSAURA. 



Trcqndosaura , part., Fitzing. E". Class. Eept. p. 22 (1826) ; Dum. & 

 Bibr. Erp. Gen. v, p. 163 (1839); Bedriaga, Abh. Senck. Ges. xiv, 

 1886, p. 417. 



Troiridosaura, Gray, Cat. Liz. p. 35 (1845) ; Bouleng. Cat. Liz. iii, 

 p. 50 (1887). 



Head-sliields normal. Nostril pierced between two or 

 three nasals. Lower eyelid scaly. Collar absent ; a 

 short fold in front of the arm. Back covered with large 

 hexagfonal-lanceolate, strong-'ly keeled and imbricate 

 scales; ventral plates smooth, imbricate. Digits snb- 

 cylindrical, with smooth or tnbercnlar lamelljs inferiorly. 

 Femoral pores. Tail long, cylindrical. 



South Africa. 



This genus stands in the same relation to N^icras as does Psammo- 

 dromus to Lacerto. 



1. TEOPIDOSAURA MONTANA. 



Lacerta {Troindosaurus) montana, Gray, Griff. An. K. ix, Syn. 

 p. 35 (1831). 



Troindosaura montana, Dum. & Bibr. t.c. p. 172 ; Gray, Cat. p. 35 ; 

 Bedriaga, t.c. p. 428 ; Bouleng. t.c. p. 51. 



Notopliolis ? capensis, Gray, Cat. p. 34. 



Tropidosatira burchelli, A. Smith, 111. Zool. S. Afr., Kept., A pp. p. 7 

 (1849). 



In habit similar to Lacerta, vivipara. Body not depressed. Head 

 small, 4 to 5 times in length to vent, 1,^ to 1-j times as long as broad, 

 feeblv depressed, its depth equal to the distance between the anterior 

 corner or the centre of the eye and the tympanum ; snout short. 



