746 MR. G. A. BOULENGER ON THE SPECIES OF [June 21, 



6. AcANTHODACTYLtrS SCHREIBERI. 



Acanthodactylus velox, Bonap. Faun. Ital. pi. f. 3. 



Aeanthodactylus savignyi, Schreib. Herp. Eur. p. 387. 



Acanthodactylus savignyi, var. schreiberi, Bouteng. Bull. Soc. 

 Zool. France, 1878, p. 188. 



Acanthodactylus savignyi, sp., Boettg. loc. cit. (specimens from 

 Cyprus). 



Four palpebral shields. Infraocular not reaching the lip. Tem- 

 poral scales granular. Front edge of the ear slightly toothed. 

 Dorsal scales granular on the neck and between the shoulders, rhom- 

 boidal and bluntly keeled on the rest of the back. Ventral plates 

 broader than long, in 8-10 longitudinal rows. Digital denticulations 

 not very long 



I have nothing to add to the description I have given three years 

 ago of this form, which I erroneously considered a variety of A. 

 savignyi, a species which is only known from the figure in the 

 ' Description de I'Egypte.' 



Hab. I have stated that the specimens described by me came 

 from the Crimea. Dr. Strauch believes this to be very unlikely. 

 Dr. Boettger's specimens are from Cyprus. 



7. Acanthodactylus bedriag^. (Plate LXIII. fig. 1.) 

 Acanthodactylus savignyi, Dum. and Bibr. loc. cit. p. 273 (part.) ; 



Gray, Cat. Liz. p. 37 ; Strauch, loc. cit. p. 36. 



Zootoca deserti, Giinth. P. Z. S. 1859, p. 470, and 1864, p. 488. 



Lacerta deserti, Strauch, loc. cit. p. 32. 



Acanthodactylus bedriagai, Lataste, Le Naturaliste, 18*81. 



Three palpebral shields, the anterior frequently divided into two 

 or three small shields. Infraocular not reaching the lip. Front 

 edge of the ear slightly toothed. Dorsal scales granular, rhomboidal, 

 and swollen or slightly keeled on the hind part of the back. Ven- 

 tral plates broader than long, in 12-14 longitudinal rows. Digital 

 denticulations not very long. 



Of this species I possess numerous specimens from Egypt and 

 Algiers, kindly given to me by M. Lataste. I have seen many 

 other specimens in the Jardin des Plantes and in the British Museum. 

 I was at first inclined to consider it a variety of vulgaris ; but I now 

 fully agree with M. Lataste that it is perfectly distinct. 



Hab. N.Africa; Syria (British Museum). 



8. Acanthodactylus tristrami. (Plate LXIV. fig. 1.) 

 Zootoca tristrami, Giinth. P. Z. S. 1864, p. 491. 



ffCfi'r^atXi4 1 Acanthodactylus-tftsKuedtt^ Peters, Mon. Berl. Ak. 1869, p. 62. 



Two palpebral shields, bordered in front with two or three small 

 ones. Infraocular forming part of the lip. Front edo-e of the 

 ear not toothed. Dorsal scales rhomboidal, flat, larger on the 

 middle of the back, perfectly smooth. Scales at the base of the tail 

 also perfectly smooth. Ventral plates broader than long, in 8-10 

 longitudinal rows. Digital denticulations not very long. 



