6. AMEIVA. 349 



5. Ameiva edracantha. 



Ameiva edracantha, Bocoiirt, Ann. Sc. Nat. xix. 1874, art. 4, and 



iMiss. Sc. Me.v., Jiept. pi. xx. a. tig. G ; Giinth. Biol. C.-Am., Rept. 



p. 25. 

 Cnemidophorus armatulus, Cope, Journ. Ac. Philad. (2) viii. 1870, 



p. 164. 

 Verticaria hedracantha. Cope, Proc. Am. Philos. Soc. xxii. 1885, 



p, 172. 



Nostril pierced between the two nasals ; five occipitals on a trans- 

 verse line, the central largest, the outer pair smallest ; fronto- 

 parietals united or distinct; three supraoculars, sometimes a small 

 posterior fourth ; five supraciliaries, second longest ; loreal un- 

 divided ; eight or nine upper labials. Five or six lower labials ; 

 chin-shields, one anterior and five or six pairs ; several irregular 

 enlarged median gulars ; mesoptychium with two or three rows of 

 enlarged scales. Dorsal granules considerably larger than in 

 A. vndulata, smooth. Ventral plates in eight longitudinal series 

 (with an outer rudimentary series), all nearly of the same size, 

 thirty transverse series, counting from the granules of the collar. 

 Two median larger prseanal plates ; on each side, a group of six or 

 Beven spinose plates in the male. Brachium with several rows of 

 enlarged shields passing gradually into the postbrachials, those of 

 the anterior row largest, continuous with the antebrachials, which 

 are in two rows. Three or four rows of femoral and two of tibial 

 shields. Thirteen femoral pores. Digits feebly serrated. Caudal 

 scales keeled. Olive-brown above, back with transverse black 

 lines ; five yellowish longitudinal lines, the median widest, com- 

 mencing from the snout ; sides of body, and limbs, marbled with 

 blackish ; lower surfaces yellowish white. 



6, 2. 



millim. millira. 



Total length 151 148 



Head 13 13 



Width of head 8 ■ 8-5 



From end of snout to fore limb. 19 20 



From end of snout to vent .... 50 54 



Fore limb 19 19 



Hind limb 35 35 



Tail 101 94 



Ecuador ; Northern Peru. 



a-b. J 2 • Guayaquil. Mr. Fraser [C.]. 



6. Ameiva lineolata. 



Ameiva lineolata, Grai/, Cat. p. 20. 

 Ameiva lineolata, Dum. (^ Bibr. v. p. 119 ; Boeourt, Miss. Sc. Mex., 

 Rept. pi. XX. A. fig. 5. 



Nostril pierced in the anterior nasal only ; five occipitals : four 

 Bupraoculars ; loreal undivided. Median gular and mesoptvchial 



