3. COLEOKYX. 235 



1. Coleonyx elegans. 



Coleonyx elegans. Gray, I. c. p. 163 ; Cope, Proc. Ac. Philad. 1866, 



p. 125 ; Booourt, I. c. p. 49, pi. x. fig. 7. ■ 

 Gylimodactylus scapularis, A. Bum. Cat. MM. Rept. p. 45. 



coleoTiyx, A. Bum. Arch. Mus. viii. p. 483, pi. xvi. fig. 6. 



Brachydactylus mitratus, Peters, I. c. p. 42. " 



Body and limbs rather elongate, latter slender ; digits slender, 

 short. Snout longer than the distance between the orbit and the 

 ear-opening ; latter large, oval, slightly oblique. Snout covered 

 •with large, slightly keeled granules ;, the rest of the head with 

 small granules intermixed with small round tubercles ; rostral 

 large, pentagonal, once and a half as broad as high ; anterior 

 nasal very large, forming a suture with its fellow ; six or seven 

 upper and seven or eight lower labials ; mental large, trapezoid, 

 a little broader than long ; no chin-shields. Body covered above 

 with small granules intermixed with numerous round, smooth 

 or very slightly keeled tubercles. Abdominal scales strongly im- 

 bricate. Male with eight or nine prseanal pores. Tail cylindrical, 

 tapering, covered with small, flat scales, slightly enlarged inferiorly, 

 above with rows of enlarged tubercles. Brownish white above, 

 variegated with chestnut-brown ; a U-shaped band on the nape, and 

 four cross bands on the body, light, bordered with brown ; head 

 largely vermioulated with brown ; tail with brown rings ; lower 

 surfaces whitish. 



Total length 124 miUim. 



Head 17 „ 



Width of head 11 „ 



Body 50 „ 



Fore limb 23 „ 



Hind Hmb 28 „ 



TaU 57 „ 



Specimen b, in which the tail is lost, measures 87 millim. from 

 snout to vent. 

 Central America. 



a. c?. Belize. Mr. Dyson [C.]. , (Type.) 



b. (S . Yucatan. 



