12, ENYALIUS. 119 
the sides; ventral scales rather large, squarish, strongly keeled. 
Limbs long, covered with imbricate keeled scales; digits long and 
slender ; tibia longer than the head; the adpressed hind limb reaches 
beyond the tip of the snout. Tail round or very feebly compressed, 
about twice as long as head and body, covered with keeled scales 
which are largest inferiorly. Coloration very variable. Females 
brown, with symmetrical darker, light-edged markings consisting 
generally of a series of rhombs or alternating triangular spots form- 
ing a zigzag band along the middle of the back; usually a dark 
brown band, widening gradually, from the eye to the shoulder; 
lower surfaces brownish-white, with scattered brown dots. Males 
sometimes brown with angular blackish markings, but more usually 
uniform purplish brown, with the head bluish. 
ae. 
Total length .... 297 293 millim. 
Head.......... 25 28 45 
Width of head 20 Ql -5 
Body .......... 72 TO 95 
Fore limb ...... 52 53 CO, 
Hind limb...... 105 98 Cs, 
MBB) 5326 Sea ecetes 200 190 ,, 
Brazil. 
aod. Bahia. 
bg. Bahia. Dr. O. Wucherer [C.]. 
é. Os Rio Janeiro. Mrs. Fry [P. 
ie Brazil. Lord Stadee Pj. 
@ 3. Brazil. Mrs, Mauger [P.]. 
fg-h. 3 Pe Brazil. 
2. Ad., stuffed. P 
2. Enyalius bibronii. 
Enyalius rhombifer (non Spix), Dum. & Bibr, iv. p. 231. 
Distinguished from the preceding in the following points :—All 
the scales a little larger, ventrals smooth or very obtusely keeled. 
Limbs shorter ; tibia nearly as long as the head; the adpressed hind 
limb reaches the posterior corner of the eye. The unique specimen 
in the collection is pale brownish above, with an alternating series 
of squarish transverse brown spots along the middle of the back, 
each with a small round white spot in front and behind; a brown 
band from eye to shoulder; lower surfaces uniform whitish. 
Total length (tail broken) 220 millim. 
Head isha acta cies 23s 
Width of head ........ 2 ss 
Body been 72, 35 
Fore limb ............ 46, 
Hind limb ............ 82 ys 
Guianas, Brazil. 
a9. Bahia. 
