102 ANNUAL REPORT OF STATE GEOLOGIST. 



posed portion marked with fine longitudinal rugae; teeth un- 

 known. 



This large Crossopterygian is of extremely rare occurrence, 

 being known only by five specimens, two of which were obtained 

 from Boonton, and the remainder from Durham, Connecticut. 

 All of these specimens are now preserved in the American 

 Museum of Natural History, in New York. 



