On a new Lizard from Ohok. 407 



Lagidium Moreni, sp. n. 



Size large. General colour above silvery or pale ashy 

 gfrey, without yellowish sufFusiou, paler than in any Andean 

 specimen in the Museum. Dorsal line well marked, running- 

 from withers to loins. Whiskers black. Ears rather short, 

 their backs thinly haired, brownish, with white edges. Belly 

 buffy yellow, rather sharply defined from the grey of the back 

 and sides ; bases of hairs brownish grey as usual. Hands and 

 feet white, with a faint biifFy tinge. Tail black below, 

 grizzled, with mixed black and white hairs above. 



Skull large and heavy, with the muzzle much elongated, 

 but the nasals shorter and less inflated than in many of the 

 Andean forms; anteriorly these bones do not nearly reach 

 forwards to the level of the gnathion, but stop short at the 

 level of the middle of the anterior mesial palatal foramina; 

 behind again they are markedly exceeded by the ascending 

 processes of the premaxillaries, which surpass them by fully 

 5 millimetres. Brain- case broad and rounded. Posterior 

 edge of palate level with the middle of ^l1. Teeth as usual. 



Dimensions of the type (an adult female) measured on the 

 dried skin : — 



Head and body (c.) 480 millim. ; tail imperfect at tip; 

 hind foot 102 ; ear 72. 



Skull : basal length 78, greatest breadth 46 ; nasals 30 x 

 11*5; interorbital breadth 18"3, intertemporal breadth 23'5 ; 

 brain-case, breadth 38*5; palate length from henselion 41"5; 

 diastema 27'2 ; palatal foramina IG'3 x 3'5 ; length of upper 

 molar series (crowns only) 19"2. 



Hub. Chubut, Patagonia. 



T7/pe : B. M. 96. 10. 7. 7. 



XLVI. — Description of a nev) Lizard from Ohok. 

 By G-. A. BuULiiNGER, F.R.S. 



Eremias Martini. 



Snout moderately long, obtusely pointed. Nostril between 

 three swollen nasals ; frontonasal separated from the 

 rostral by the upper nasals; two prsetrontals ; no frontal 

 groove ; four suj)raoculars, first and fourth very small, 

 first in contact with the loreal, second in contact with the 

 prjefrontal ; a series of granules between the two principal 

 supraoculars and the supraciliaries ; inteiparietal tdongate 

 pentagonal, in contact with a small occipital; temporal 



