ON THE REPTILES AND BATRACHIANS 



COLLECTED BY THE TANCREDI EXPEDITION TO LAKE TSANA, ABYSSINIA. 



BY G. A. BOULENGER, F. R, S. 



The collection is a small one, comprising examples of but 

 seven species, one of which, a lizard of the genus Ablepharus , 

 is however new to science. 



The known species are: Prisfurus flavijjunctatus , Riipp. 

 (Amhara) , Agama spinosa, Gray (Angareb River), Mabuia 

 isselii, Peters (Dabarif) , Chlorophis neglectus, Bocage (Abbai), 

 Psammophis sibilans , L. (Darò Taclé) , and Bufo regularis 

 Reuss (Tzeghiè). 



A.lbleplxai*uis taneredii , sp. u. 



Snout short, obtuse. Eye bordered by granules and by the 

 second and third supraciliaries. Rostral forming a narrow suture 

 with the frontonasal; praefrontals forming a median suture, which 

 is as long as the frontonasal; frontal small as large as a fronto- 

 parietal, in contact wdth the first supraocular only; frontoparietals 

 and interparietal distinct; two supraoculars, first the larger; four 

 supraciliaries; a single pair of nuchals; four upper labials anterior 

 to the subocular. Ear-openiag small, round. Body elongate; 22 

 scales round the body, of two median dorsal series largest. A 

 pair of enlarged praeanals. Limbs short, pentadactyle, widely sepa- 

 rated when adpressed; digits obtusely keeled inferiorly; third and 

 fourth toes equal. Brown above; sides darker, with blackish lines 

 along the series of scales; a series of whitish spots on the side 

 of the head and neck; upper and lower labials each with a round 

 black spot; lower parts greyish white. 



From snout to vent, 28 millim.; tail (reproduced), 28; fore 

 limb, 5 '/a 5 ^^^*^ limb, 7. 



A single specimen from Dabarif. 



Ann, del Miis. Civ. di St. Nat. Serie 3.% Vol. IV (25 Febbraio 1909). 13 



