SYNOPSIS &ce. 
> OBG«ace 
ANIMALIA VERTEBRATA. 
REPTILIA. 
SAURIA. 
Mosasaurus. Coneybeare. 
Pi. XI fie. 9. 
Dr. Harlan, in Journ. Acad. vol. iv. pl. xiv. fig. 2, 3, 4. 
Tuts Saurian, so well known by the name of Monitor, 
Maestricht animal &c., was once among the inhabitants of 
the shores of the American continent, as is proved by 
teeth and vertebra found in Monmouth, Burlington and 
Gloucester counties, in New Jersey, and at St. Georges 
in Delaware. | 
The tooth represented on the annexed plate, was first 
described and figured by Dr. Harlan; since which time 
numerous others have been found. Mr. Mantell, to 
whom I sent a cast of one of them, assures me that he can 
perceive no difference between it and the teeth from 
Maestricht ; and that in fact they are as much alike as if 
they belonged to the same species. 
