Aporosaiira. 375 



1. Length from snout to vent (in millimetres). 2. Scales across middle of 

 body. 3. Ventral plates in longest transverse series. 4. Transverse series of 

 ventral plates. 5. Scales in collar. 6. Lamellar scales under fourth toe. 

 7. Upper labials to below centre of eye. 



Habitat. — West of Eobat I., on the limit between Baluchistan and 

 Afghanistan, wliere the lizard was found in abundance by the 

 Members of the Afghan-Baluch Boundary Commission of 1896, after 

 one of whom, Sir A. H. McMahon, the genus has been named. 



21. APOROSAURA. 



PachyrJiynchus (non Spix), Bocage, Aun. & Mag. N. H. (3) xx, 1867, 

 p. 226 ; Strauch, Mfl. Biol. Ac. St. Petersb, vi, 1867, p. 408 ; Lataste, 

 Ann. Mus. G-enova (2) ii, 1886, p. 126 ; Bocage, Herp. Angola, p. 33 

 (1895). 



Aporosaura, Bouleng. Cat. Liz. iii, p. 117 (1887). 



Head wide and flattened ; snout much depressed, wide, 

 spatulate, with trenchant margins greatly exceeding the 

 outline of the mouth. Head-shields normal, but no occi- 

 pital. Nostril pierced between three nasals, widely 

 separated from the first upper labial. Lower eyelid scaly. 

 No collar. Dorsal scales granular. Ventral plates 



