NICKI.ES AiSD UAS.shKl;. 



GEOLOGIC DISTRIBUTION. 



97 



Lists of upecieK — Contiinu'(l. 

 DEVONIAN— CV)iitiinic<l. 



Orthopora lineata (Hall and Simpson) 



(irbipora ( llall ) 



ornata (Hall and Simpson) 



polygona ( Hall ) 



regulari.s ( Hall ) 



reticulata (Hall and Simpson) . . . 



rhombifera ( Hall ) 



scutulata ( Hall ) 



sulMiuadrata (Hall ) 



tortalinea ( Hall ) 



transversa ( Hall ) 



Paleschara ? intercella Hall 



? pertenuis Hall 



? reticulata Hall 



? variacella Hall 



Petalotrypa compressa Ulrich 



delicata Ulrich 



IMira^'topora cristata (Hall) 



Phyllopora aspera Ulrich 



Pinacotrypa elegans ( Rominger) 



marginata Whiteaves 



operculata (Hall and Simpson) 



plana (Hall ) 



serrulata ( Hall) 



stellata (Hall) 



variapora ( Hall ) 



Pinnatopora carinata ( Hall ) 



nodata ( Hall ) 



sinuosa ( Plall ) 



tenuistriata ( Hall ) 



Polypora aculeata (Hall) 



arkonensis Miller 



aspectans ( Hall ) 



blandida Ulrich 



brevisulcata (Hall) 



carinella ( Hall and Simpson ) 



celsipora (Hall) 



celsipora-minima Hall 



celsipora-minor Hall 



Bull. 173 7 



Oriskany, 



Upper 

 Held. 



X 



X 

 X 

 X 



X 

 X 

 X 



Hamilton. 



X 

 X 

 X 

 X 

 X 

 X 

 X 



X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 

 X 



X 



X 

 X 

 X 

 X 



X 



