46 



NEW YORK STATE MUSEUM 



C. rectirostris Hall 

 Carnarotoecbia sappbo Hall 

 C. horsfordi Hall 

 C. dotis Hall 

 C. prolifica Hall 

 C. pauciplicata Wood 

 Spirifer andaculns Conrad 

 S. fimbriatus Conrad 

 S. suburnbona Hall 

 Ambocoelia nana Grabau 

 Meristella barrisi Hall 

 Trematospira gibbosa Hall 

 Strophalosia truncata Hall 

 Productella spinulicosta Hall 

 P. sbnmardiana Hall 

 Chonetes mucronatus Hall 

 C. scitulus Hall 

 C. lepidus Hall 



Tropidoleptus carinatus Conrad 

 Stropbeodonta inaequistriata Conrad 

 Leptostropbia perplana Conrad 



urthotbetes cbeinungensis Conrad 



O. arctostriatus Hall 



Rbipidoinella vanuxeini Hall 



II. cyclas Hall 



Crania crenistriata Hall 



C. recta Wood 



Craniella hamiltoniae Hall 



Bryozoans 

 Hederella canadensis Nicholson 

 H. cirrbosa Hall 

 Keptaria stolonifera Rolle 



Blastoids 

 Nucleocrinus lucina Hall 



Corals 

 Favosites placenta Hall 

 Stereolasma rectum Hall 

 Striatopora limbata Conrad 

 Roniingeria 

 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 | Liorbyncbus 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 : 



Rbinocaris veneris Hall & Clarke, r 



Fbacops rana Green r 



Ortboceras nuntioides Clarke r 



Gompboceras mitrif orine Clarke . . r 



Bactrites clavus Hall c 



Tornoceras discoideum Conrad. . . . c 



fetyliolina fissurella Hall c 



Pleurotomaria rugulata Hall c 



Nuculites oblongatus Conrad c 



Bucbiola stuprosa Clarke r 



Pterocbaenia fragilis Hall r 



Stropbalosia 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 



