92 ON REPTILES COLLECTED NEAR GUAYAQUIL, ECUADOR. 



at each side of the dorsal band includes two entire and 

 two half-scales, and the brown band at the lower edge of 

 each flank covers the three outer rows, the half of the 

 fourth, and the ends of the ventral scutes. In the dorsal 

 band there are two narrow streaks of light color, on the 

 middle of the scale, and on the lower band of the flank 

 there are three similar streaks, the upper two of which 

 are close together. On each side of the nape there is an 

 oblong area of lighter color surrounded by dark, and the 

 outer portions of the temporals are lighter. The dark 

 brown of the middle of the crown extends forward on the 

 frontal, forming a trident with the prongs in front, ending 

 on the prefrontals. A dark band passes through the eye 

 to the neck ; below this a light band passes back into the 

 pair of white streaks in the second and third rows of scales. 

 Lips, chin and throat thickly freckled with brown. A 

 peculiar feature of this snake is the smallness of the eighth 

 labial as compared with the ninth or the seventh. It is 

 longer than high and lies below the lower temporal which 

 is larger than the upper and passes downward between 

 the seventh labial and the ninth to the eighth. The speci- 

 men is alike on both sides of the head. 



OXYBELIS AENEUS Wagl. 



Labials seven to eight ; infralabials nine. From Posorja. 



Cnemidophorus lentiginosus sp. n. 



Head narrow. Nostril anterior to the nasal suture. 

 Each of the outer parietals transversally divided into three. 

 Four supraoculars, the posterior two and half of the sec- 

 ond separated from the frontal and the fronto -parietal by 

 a line of granules, six to seven supraciliaries, a freno- 

 orbital, median gular scales enlarged, mesoptychium with 

 four or five rows of enlarged scales, smaller but not gran- 



