150 NEW YORK STATE MUSEUM 



Cayuga creek 



Fistulipora sp. rr 



Stictopora sp. rr 



Ceratopora jacksoni Grabau cc 



C. dichotoma Grabau g 



Crinoid stems c 



Chonetes mucronatus Hall r 



C. scitulus Hall cc 



Atrypa spinosa Hall rr 



Liorhynclius limitare (Varwxem) rr 



Spirifer mucronatus Conrad r 



Ambocoelia nana Grabau rr 



Phacops rana (Green) r 



VI 14 inches. Farther up, near the dam, another layer of 

 impure concretionary limestone is exposed in the bed of the 

 stream. The rock breaks irregularly into relatively thin layers. 

 Oypricardinia indent a is the most common fossil. 



The complete list is as follows: 



Fa vo sites placenta Rominger c 



Orinoid stems c 



Trematopora (Orthopora) tortalinea Hall r 



Chonetes mucronatus Hall r 



0. scitulus Hall c 



Productella epinulicosta Hall r 



Camarotoechia sappho Hall r 



Liorhynchus limitare (Vamixem) r 



Spirifer mucronatus Conrad rr 



S. (Reticularia) fimbriatus (Conrad) rr 



Actinopteria muricata Hall rr 



Pterinopecten exfoliatus Hall rr 



Oypricardinia indenta Conrad cc 



Platyceras (Orthonychia) attenuatum Hall rr 



Tentaculites gracilistriatus Hall rr 



Phacops rana (Green) r 



OryphaeuiS boothi Green rr 



