Nticras. 13 



also referred by Nieden to this species, have 42 to 51 scales across 

 the body, 26 to 31 transverse series of veutral plates, aud 12 to 

 14 femoral pores. Sternfeld's "iV. tessellata" is from the Kiliraaujaro 



district. 



2. NUCRAS DELALANDII. 



Lacerta lalandii, M.-Edw. Ann. Sc. Nat. xvi, 1829, pp. 70, 84, 

 pi. V, ag. 6. 



Ereniias (Nucras) lalandii, Gray, Auu. N. H. i, 1838, p. 280. 



Lacerta delalandii, vars. o, c, Dum. & Bibr. Erp. Gcu. v, p. 241, 

 pi. xlviii (1839). 



Nticras lalandii. Gray, Cat. Liz. p. 33 (1845). 



Bettaia delalandii, Bedriaga, Abh. Seuck. Ges. xiv, 1886, p. 435, 

 pi. — , figs. 1, 5, 35. 



Nncras delalandii, Bouleng. Cat. Liz. iii, p. 53 (>S87) ; Werner, 

 Jahrb. Nat. Ver. Magdeb. 1896-98, p. 141; Bouleug. Ann. S. Afr. 

 Mus. v, 1910, p. 475, and xiii, 1917, p. 201, pi. vi, figs. 1-5. 



Nucras delalandii, var. hedriagai, Werner, I.e. 



Head small, not or but slightly broader than deep, l}, to ]| times 

 as long as broad, its length 4.V to 5^ times in length to vent in males, 

 5 to 5| times in females ; snout very obtuse. Pileus If to 2J times as 

 long as broad. Body much elongate, cylindrical. Limbs short, just 

 meeting (males) or more or less widely separated when adpressed in 

 the tulult, overlapping in the young; foot | to once length of head; 

 digits short, not or but scarcely compressed. Tail thick, swollen for 

 some distance behind the base in males, 1| to 2^ times as long as head 

 and body. 



Nasals in contact behind the rostral ; frontonasal broader than long, 

 as broad as or broader than the internarial space ; prefrontals forming 

 a median suture, which may be very short ; frontal as long as its 

 distance from the rostral or the end of the snout, Ih to 1^ times as 

 long as bi'oad, usually narrower, behind, than the supraoculars ; 

 frontoparietals much shorter than the frontal, usually shorter than 

 their distance from the posterior extremity of the pileus ; parietals 

 1^ to 1^ times as long as broad, outer border sometimes feebly 

 emarginate for the accommodation of the upper temporal ; interparietal 

 narrow, 2 to 4 times as long as broad, sometimes divided into two ; 

 occipital very small, sometimes pushed back behind the pileus, or 

 separated from the interparietal by the parietals forming a short 

 median sutui-e. Four supraoculars, first aud foui'th small, first 



