In addition to the above specimens, I have examined the types of 

 Lacerta longicaudata, from Tor, Sinaitic Peninsula, preserved in the 

 Senckenberg Museum. 



Habitat. — Sinaitic Peninsula, S.W. Arabia, West Coast of the Red 

 Sea, Egyptian Sudan, Abyssinia, Somaliland, Gallaland, East Africa, 

 Senegal, Northern Nigeria, and Lake Chad district. 



7. LATASTIA CAEINATA. 



Lacerta earinata, Peters, Mon. Berl. Ac. 1874, p. 368, pi. — , fig. 1. 

 Latastia earinata, Bouleng. Cat. Liz. iii, p. 56 (1887), and Ann. 

 Mus. Genova (2) xvii, 1896, p. 17. 



Body feebly depressed. Head feebly depressed. If to If times as long 

 as broad, its depth equal to the distance between the anterior corner of 

 the eye and the tympanum, its length 3f to 4 times in length to vent ; 

 snout narrow, pointed, a little longer than postocular part of head, 

 with sharp canthus and nearly vertical, concave loreal region. Pileus 

 2a times as long as broad. Neck a little narrower than the head. 

 Hind limb reaching between the collar and the ear-opening; foot 

 li times as long as head ; toes slender, feebly compressed. Tail 2 to 

 nearly 2| times as long as head and body. 



Nostril pierced between 4 shields ; nasals forming a suture behind 

 the rostral, the suture i to i the length of the frontonasal, which is 



