160 Lcicertid:v. 



in the British Museum. It has since beeu reported from Southern 

 China, near Canton. 



Tachydromve. cliinensis, T. Vogt, Sitzb. Ges. Nat. Fr. Berl. 1914. 

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

 of chin-shields and the ventral plates are obtusely keeled. 3 femoral 

 pores on each side. — Northern parts of the Province Kuaugtuut; 

 S. China. 



1:5. TROPIDOSAURA. 



TropicJoi'aiira. part.. Fitzing. N. Class. Sept. p. 22 (1826) ; Dum. & 

 Bibr. Erp. Gc'n. v, p. 163 (1839); Bedriaga, Abh. Senclc. Ges. xiv, 

 1886, p. 417. 



Tropidosaura, Gra_y, 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 fi-ont of the arm. Back covered with large 

 hexagonal-lanceolate, strongly keeled and imbricate 

 scales; ventral plates smooth, imbricate. Digits snb- 

 cylindrical, with smooth or tubercular lamella^ interiorly. 

 Femoral pores. Tail long, cylindrical. 



South Africa. 



This genus stands in tlie same relation to Nvcras as does Psammo- 

 d ramus to Lacerfa. 



1. TROPIDOSAURA MONTANA. 



Lacerta (Tropidosanrus) rnontana. Gray, GrifF. An. Iv. ix, Syn. 

 p. 36 (1831). 



Tropidosatira rnontana, Dum. & Bibr. t.c. p. 172 ; Gray, Cat. p. 35 ; 

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



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



Tropidosaura bwchelli, A. Smith, 111. Zool. S. Afr., Rept., App. p. 7 

 (1849). 



In habit similar to Lacerta vivqtara. Body not depressed. Head 

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

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

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



