54 - 



CONNECTICUT GEOL. AND NAT. HIST. SURVEY. 



[Bull. 



suborbitals are apparently few in number. The preoperculum 

 is inconspicuous, and the posteriorly enlarged maxillary re- 

 sembles or at least suggests in form that of Paleozoic Chon- 



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drostei. It is beset with numerous fine, acutely conical teeth, 

 and there is also a small dentigerous premaxilla which is often 

 preserved in the dissociated state. 



The distribution of C. redfieldi is identical with that of the 

 type species, and, like the latter, it is more abundant at Durham 

 than in any other locality. 



