8. LTGOSOMA. 307 



nasals distinct, in contact behind the rostral ; frontonasal much 

 broader than long, broadly in contact with the frontal ; prccfrontals 

 small ; frontal longer than frontoi)arietals and parictals together, 

 in contact with the three anterior supraoculars ; five supraoculars, 

 fifth very small ; frontoparietals and interparietal distinct, equal ; 

 parietals forming a short suture behind the interparietal ; a pair of 

 nuchals ; fifth upper labial largest and entering the orbit. Ear- 

 opening moderately large, roundish, without or with a single slightly 

 projecting scale. 28 scales round the middle of the body ; dorsals 

 tri- or quinquccarinale. The hind limb reaches halfway between 

 axilla and groin. Erown above, each scale with a black basal dot ; 

 sides blackish above, spotted with white on the head and neck ; lower 

 surfaces yellowish. 



raillim. millim. 



From snout to vent . . 69 Fore limb 10 



Head 13 Hind limb 17 



Accra, Guinea. 



109. Lygosoma sundevallii. 



Eumeces (Eiopa) sundevallii, Smith, III. S. Af>\, Rejit., App. p. 11. 



afev, Peters, Mon. Berl. Ac. 1854, p. 019. 



reticulatus, Teters, Mon. Berl. Ac. 1802, p. 23. 



Mochlus punctatus, Gimth. Proc. Zool. Soc. 1864, p. 308, and Zool. 



Rec. 1804, p. 111. 



afer, Bocage, Jorn. Se. Lish. i. 1867, p. 222, pi. iii. fig. 2. 



Eumeces perdicilor, Cope, Proc. Ac. Philad. 1868, p. 317. 



(Senira) dumerili, Steindachn. Sitzb. Ak. Wien, Ixii. i. 1870, 



p. 341, pi. iii. f. 5. 

 sundevallii, Peters, Rcise n. Mossamb. iii. p. 75, pi. xi. fig. -^ 



Euprepes chaperi, Vaillant, Bull. Soc. Philom. (7) ^dii. 1884, p. 169, 

 and Bull. Soc. Zool. France, 1884, p. 346, pi. xii. fig. 2. 



Body much elongate, subcylindrical ; limbs weak ; the distance 

 between the end of the snout and the fore limb is contained twice 

 to twice and a half in the distance between axilla and groin. 

 Lower eyelid scaly. Snout short, much depressed, rounded; no 

 cauthus rostralis. Supranasals present, in contact behind the rostral ; 

 frontonasal much broader than long, largely in contact with the 

 frontal ; praefrontals small ; frontal about as long as frontoparietals 

 and parietals together, in contact with the first and second, 

 or first, second, and third supraoculars : five supraoculars, fifth 

 very small ; six to eight supraciliaries, first and last largest ; 

 frontoparietals and interparietal distinct, subequal, or inter- 

 parietal smallest ; no nuchals ; fourth and fifth labials below 

 the eye, fourth largest. Ear-opening very small, roundish. 26 to 

 28 scales round the middle of tlie body, subequal, all smooth, or 

 dorsals more or less distinctly tri- or quinquecarinate. Praeanals 

 not enlarged. Limbs widely separated when adpressed. Digits 

 short, compressed ; third and fourth toes subequal, or fourth a little 

 longer; subdigital lamellae feebly unicarinate, 11 to 14 under the 



x2 



