Amphibiaus aud Reptiles of Mexico. 323 



and the tliree specimens were taken on different days in almost 

 exactly the same place. 



Mabuya af/llis (Kaddi). 



Only observed a few times at Cuatotolapam. 



Although seldom observed, it is probable that this species is 

 not rare on the plains; its apparent scarcity being" diie to the 

 retiring habits. 



In the two specimens obtained, the broad dorsal band is olive 

 brown (129, 110), growing- paler on its margins to form an indefinite 

 stripe; the sides are black, the lateral stripe pale yellow or orange 

 (216. 146) on the neck and head, becoming somewhat more greenish 

 on the body, and the ventral surface is white. In one specimen 

 there are dark spots on the dorsal scales, that form six faint longi- 

 tudinal lines. 



We could find ont nothing definite about the habits of this 

 little skink. Two were seen on logs in cleared places and another 

 on the ground in a cane field. 



Constrictor ronstrictor iniperator (Daudin). 



2 specimens at Cuatotolapam. Said to be not rare in the 

 region. 



The specimens secured are a male and female and measure 

 1670 mm and 1470 mm respectively. The tail of the male is 217 mm 

 and that of the female 147 mm in length. The scutellation is as 

 follows : 



Scutellation of Constrirfor consirici or imperator. 



Male Female 



There are twenty three dorsal blotclies on the body. 



The male exhibits well-developed claws on either side of the 



