110 IGUANID.^. 



Total length 720 millim. 



Head 52 „ 



Width of head 32 „ 



Body 118 „ 



Fore limb 73 „ 



Hind limb 165 „ 



Tail 550 „ 



Mexico to Ecuador. 



a, b, c, d. S , hgr., & j^. Mexico. 



e-f. Yg. Mexico. M. Salle [C.]. 



g. S • Putla, Mexico. M. Boucard [C.]. 



h. (S . Orizaba. 



i. 2 . Hacienda del Hobo, P. Geddes, Esq. [P.]. 



S. Mexico. 



k-m, n. (S , hgr., & yg. Vera Paz. O. Salvin, Esq. [0.]. 



0, p, </, r. cJ, 2) & yg- Lanquin, Guatemala. O. Salvin, Esq. [C.]. 



s. 2 • Duenas, Guatemala. O. Salvin, Esq. [C.]. 

 t, u, V. 2 *iicl hgr. Honduras. 



tv. S • Honduras. (Type of Cristasaura 



mitrella.) 



x-y, 2. c? 2 . Ecuador. Mr. Eraser [C.]. 

 a. Skeleton. Guatemala. 



4. Basiliscus galeritus. 



Basiliscus galeritus, A. Bum. Cat. Meth. Rept. p. 61, and Arch. 3Iiis. 



viii. p. 522, pi. xxi. fig. 1 ; Cope, Proc. Ac. Philad. 1866, p. 123. 

 Ptenosaura seemanni. Gray, Anii. tS" May. N. H. (2) x. 1852, p. 438. 

 Craneosaura seemanni {Gray), Bichards. Zool. Herald, p. 148, 



pi. XXV. 



Basiliscus seemanni, Giinth. Proc. Zool. Soc. 1860, p. 234 ; Bocourt, 

 Miss. Sc. Mex., Rept. p. 131 ; Cope, Journ. Ac. Philad. (2) viii. 

 1876, p. 125. 



Head-crest rounded in profile, rising from between the posterior 

 borders of the orbits, its basal occipital part thick, fleshy. Five 

 labials to below the centre of the eye. The two or three anterior 

 chin-shields in contact with the infralabials. Dorsal crest reduced 

 to a series of compressed trihedral tubercles, separated from one 

 another by two small scales. The lateral fringe of the toes much 

 developed. Caudal crest a serrated ridge. Ventral scales perfectly 

 smooth. Bright green or olive above, uniform or with brown spots ; 

 sides sometimes with whitish spots ; tail with more or less distinct 

 brown annuli ; a white, black-edged band from below the eye to the 

 neck ; usually another black band, parallel to the former, on each 

 side of the throat. 



Total length 670 millim. 



Head 53 „ 



Width of head 31 „ 



Body 117 „ 



