36 



REPTILES. 



the fourth and fifth coming into the orhit. Back greyish olive, 

 the darker coloration of the sides well defined towards the hack ; 

 a black streak through the eye ; on both sides of the anterior 

 part of trunk a bright yellow band, soon disappearing, beginning 

 from the eye, but twice interrupted, so as to form a yellow spot 

 behind the eye, and a second on each side of occiput. Belly 

 yellowish, on each side of the ventral plates a small black spot. 

 Hinder maxillary tooth longest, smooth, in a continuous row 

 with the anterior ones. 



a, b. Adult. Mexico. From M. Salle's Collection. 



5. CORONELLA FISSIDENS. 



Scales in twenty-one (nineteen) rows; anal bifid; upper labials 

 eight, the fourth and fifth coming into the orbit. Back greyish 

 olive, the darker coloration of the sides well defined towards the 

 back ; a black streak, sometimes beneath white edged, through 

 the eye; on both sides of the anterior part of trunk a white band, 

 beginning from the occiput, and soon disappearing. Belly white, 

 on the sides some irregular small black spots. Hinder maxillary 

 tooth longest, channeled. 



a. Adult. Mexico. From M. Salle's Collection. 



b. Adult : tail injured. Mexico. From M. Salle's Collection. 



c. Adult. Mexico. From M. Salle's Collection. 



d. Adult : not good state. Mexico. From Hugo Finck's Col- 



lection. 

 e,f. Adult and young. America. From M. Salle's Collection. 

 g, h. Adult. America. Scales in nineteen rows. 



<i. CORONELLA BII'INCTATA. 



Scales in twenty-one rows ; anal bifid. Back brown, the 

 darker coloration of the sides well defined towards the back ; 

 beneath yellowish, along the middle of belly two punctated lines. 

 Posterior maxillary tooth longest, grooved. 



//. Adult, male. Sine patria. 



Description. — Body moderate; tail rather elongate; head 

 rounded, rather pointed in front, flat above, distinct from neck. 

 Rostral just reaching the surface of head; anterior frontals 

 small, posterior much larger; occipitals moderate, rounded 

 behind; vertical nearly twice as long as broad, with some- 

 what concave lateral edges ; nostril between two shields ; one 

 square loreal, one anterior, two posterior oculars ; eight 

 upper labials, the fourth and fifth coining into the orbit ; one 

 elongate temporal shield in front, four or five smaller ones be- 

 hind. Scales rhomboid, rather small, in twenty-one rows ; anal 

 bifid. Above brown, with a very indistinct darker dorsal streak ; 



