No. 109.] . 37 



2 Obthoceratites, sp.? Delphi. 



3 Orthoceratites, sp.? do. 



2 Dipleura dekayi (heads). Cazenovia. 



1 Phacops bupo. Delphi. 



4 Crypheus calliteles. ■ Lake Erie Shore. 

 70 Phacops bufo. do. 



1 IcHTHYODORULiTE, with SIX teeth. Darien. 



