October, 1S44.] 119 



are five temporal plates •, one on each side, and four on the other 

 side of the head ; the body is of moderate size, thicker in the middle, 

 covered ahove and on the sides with smooth quadrangular scales ; 

 the tail is long and tapering; abdominal scuta 150 : subcaudal 100. 

 Color. — Body bronze above, with eight or ten yellowish bands upon 

 the neck and upper part of the body ; four or five others are also 

 observed upon the middle of the body, but they are here indistinct; 

 these bands or stria? are formed by the separation of an equal number 

 of broad bands of a dark purple color, which coalesce upon the 

 posterior party of the body ; these bands extend upon the sides of the 

 body, where they assume a triangular form, the apices presenting 

 downwards ; the under surface of the abdomen is yellow, clouded 

 with bronze ; the sides of the body in the spaces intervening 

 between the bronze colored bands above described are also yellow. 



Dipsas carinatus. 



Description. — Head small, rounded in front, covered above with 

 nine plates ; the occipital are large, pentagonal, broadest anteriorly; 

 the vertical plate is nexagonal, the supraorbital are quadrangular, the 

 inferior margins being curved to receive the nostril; there are two 

 anterior and two posterior frontal plates ; the posterior are quad- 

 rangular, larger than the anterior ; there are two nasal plates, the 

 posterior is much the larger, with the nostril placed between them : 

 the vertical plate is quadrilateral, rounded superiorly ; there are 



seven superior labial plates; the eyes are large, irides ; body 



slender, triangular, compressed upon the sides, covered with oblong 

 narrow and carinated scales ; tail of moderate length, slender and 

 tapering — abdominal scuta 247 : subcaudal 273. 



Color. — Body brownish above with numerous yellow terminal nar- 

 row bands ; under surface of chin and throat light yellow ; abdomen 

 and under surface of tail greenish yellow. , 



14 



