Psammodromus. 163 



Habitat.— This species, ouce believed to be a native of Java, is only 

 known from the southern parts of Cape Colony. The types are from 

 the Eastern parts of the Colony, and the lizard is found close to 

 Cape Town, on Table Mountain in particular. 



14. PSAMMODROMUS. 



Psammodromus, Fitzing. N. Class. Kept. p. 22 (1826); Wiegni. 

 Herp. Mex. p. 10 (1834) ; Dum. & Bibr. Erp. Gen. v, p. 251 (1839) ; 

 G-ray, Cat. Liz. p. 38 (1845) ; Strauch, Mel. Biol. Ac. St. Petersb. vi, 

 1867, p. 408 ; Lataste, Ann. Mus. Genova (2) ii, 1885, p. 125 ; 

 Bouleng. Cat. Liz. iii, p. 46 (1887). 



Tropidosaura, part., Fitzing. I.e. ; Wiegm. I.e. ; Dum. & Bibr. t.c. 

 p. 163 ; Bedriaga, Abh. Senck. Ges. xiv, 1886, p. 417. 



Algira, Cuv. Eegne Auim., Ed. 2, ii, p. 31 (1829). 



Aspistis (non Hoffm.), Wagler, Syst. Amph. p. 156 (1830). 



Psammuros, Wagler, I.e. ; Wiegm. I.e. 



NotophoUs, Wiegm. I.e. 



Algira, part., G-ray, I.e. ; Lataste, I.e. 



Zerzonmia, Lataste, Le Naturaliste, 1880, p. 299 ; Bedriaga, t.c. 

 p. 411. 



Head-shields normal. Nostril pierced between two 

 nasals, m contact with the first upper labial or separated 

 from it by a narrow rim. Lower eyelid scaly. Collar 

 absent or feebly marked ; a short fold in front of 

 the arm. Back covej'ed with large, rhombic, strongly 

 keeled and imbricate scales ; ventral shields rounded or 

 truncate behind, smooth. Digits slightly compressed, 

 with smooth, tubercular, or keeled lamellee inferiorly. 

 Femoral pores. Tail long, cylindrical. 



South- Western Europe and North-Western Africa. 



The affinities of the four species grouped under Psammodromus 

 may be expressed as follows : 



P. hispanicus 



P. algirus P. blanci P. microdadyhis . 



P. blanci is on the whole, in my opinion, the most primitive species, 

 probably derived from allies of L. agilis and L. parva. The three 



