362 Lacertidee. 



This -species is founded on a single female specimen from Fort 

 Portal, Eastern side of Mount Ruwenzori, forming part of the Duke of 

 the Abruzzi's expedition, and preserved in the Turin Museum. 



6. ALGIEOIDES ALLENI. 



Algiroides alleni, Barbour, Proc. New Engl. Zool. Club, iv, 1914, 

 p. 97 ; Schmidt, Bull. Amer. Mus. N. H. xxxix, 1919, p. 501, figs. 



Differs from A. africanus in the following points : 



Nostril pierced between the nasal, the postnasal, and the first upper 

 labial ; no granules between the supraoculars and the superciliaries ; 

 dorsal scales less strongly keeled, smooth on the nape and on the sides ; 

 24 to 28 transverse series of ventral plates ; only 4 plates in the collar. 

 No spots on the back, but a dark rertebral streak is present. 



Habitat. — North-eastern slope of Mount Kenia, East Africa. 



