110 IGUANIDE. 
Total length .......... 720 millim. 
Higad!iss:.caangelte lee cntn, 52 4s 
Width of head ........ BR. 45 
Body ssiskicevay sake ees 118 ~=Ca, 
Fore limb .........+.- 7345 
Hind limb ............ 165g, 
MA p ceoes emda y telesh a gees 550 =u, 
Mexico to Ecuador. 
u, b, c,d. 3, hgr., & yg. Mexico. 
ef. Yg. Mexico. M. Sallé ot 
a ? Putla, Mexico. M. Boucard [C.]. 
he Bs Ovizaha. 
a @. Hacienda del Hobo, —-P. Geddes, Esq. [P.]. 
8. Mexico. 
k-m,n. &, hgr., & yg. Vera Paz. O. Salvin, Esq. [C.]. 
0,2,%% 3, 2,& ye. Lanquin, Guatemala. O. Salvin, Esq. [C.]. 
s. Q. Duenas, Guatemala. O. Salvin, Esq. [C.]. 
t, u,v. 9 and her. Honduras. ; 
w. d. Honduras. (Type of Cristasaura 
atrella.) 
x-y,%. dQ. Ecuador. Mr. Fraser (C.]. 
a. Skeleton. Guatemala. 
4, Basiliscus galeritus. 
Basiliscus galeritus, 4. Dum. Cat. Méth. Rept. p.61, and Arch. Mus. 
viii. p. 522, pl. xxi. fig. 1; Cope, Proc. Ac. Philad. 1866, p. 123. 
Ptenosaura seemanni, Gray, Ann. § Mag. N. H. (2) x. 1852, p. 488. 
Craneosaura seemanni (Gray), Richards. Zool. Herald, p. 148, 
l. XXV. 
Bailieens seemanni, Giinth. Proc. Zool. Soc. 1860, p. 234; Bocourt, 
Miss. Sc. Mex., Rept. p. 181; 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. 
TGA. tes sap ad) weve 53g, 
Width of head ........ 31 
Body ......... cece eee 117 
