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NEW YORK STATE MUSEUM 



C. rectirostris Hall 

 Camarotoechia sappho Hall 

 C. horsfordi Hall 

 C. dotis Hall 

 C. prolifica Hall 

 C. pauciplicata Wood 

 Spirifer andaculus Conrad 

 S. fimbriatus Conrad 

 S. subiimbona Hall 

 Ambocoelia nana Grahau 

 Meristella barrisi Hall 

 Trematospira gibbosa Hall 

 Strophalosia truncata Hall 

 Productella spinulicosta Hall 

 P. shumardiana Hall 

 Chonetes mncronatus Hall 

 -C. scitiilus Hall 

 C. lepidus Hall 



Tropidoleptus carinatus Conrad 

 Stropheodonta inaequistriata Conrad 

 Leptostropbia perplana Conrad 



ortbothetes cbemungensis Conrad 



O. arctostriatus Hall 



Rbipidomella vanuxemi Hall 



R. cyclas Hall 



Crania crenistriata Hall 



C. recta Wood 



Craniella hamiltoniae Hall 



Bryozoans 

 Hederella canadensis Nicholson 

 H. cirrhosa Hall 

 Keptaria stolonifera Rolle 



Blastoids 

 Nucleocrinus lucina Hall 



Corals 



Favosites placenta Hall 

 Stereolasma rectum Hall 

 Striatopora limbata Conrad 

 Romingeria 

 xiulopora 



Cardiff shale 

 The darker beds which chiefly comprise this mass bear but 

 few traces of organic remains. Conditions here as in the Mar- 

 cellus shale were not favorable to life. Its species are 

 Orbiculoidea minuta Hall | Liorhynchus limitaris Vanuxem 



The more calcareous and upper beds, which form blue black 

 harder layers, show an addition of representatives from the 

 constantly nearer zone of prolific life in the overlying shales. 

 These have been taken from the beds at Chapinville and along 

 Mud creek and are : 



Rhinocaris veneris Hall & Clarke, r 



Pbacops rana Green r 



Ortboceras nuntioides Clarke r 



Gompboceras mitrif orme Clarke . . r 



Bacti'ites clavus Hall c 



Tornoceras discoideum Conrad. . . . c 



fetyliolina fissurella Hall. c 



Pleurotomaria riigulata Hall c 



Nuculites oblongatus Conrad c 



Bucbiola stuprosa Clarke r 



Pterocbaenia f ragilis Hall r 



Strophalosia truncata Hall c 



Skaneateles shale 



The fauna of these beds is very sparse, a few species charac- 

 teristic of the black beds intermingled with some from the more 

 calcareous beds above. As the mass represents essentially a 



