SYSTEMATIC LIST OF FOSSILS. 

 LONE MOUNTAIN SILURIAN Continued. 



325 



DEVONIAN. 



[Abbreviations. Up. Held. Upper Helderborg. Ham. = Hamilton group. Ch. = Chemung group of the Devonian 

 eries of the Geological Survey of New York. fl. & W. Hall & Whitneld, Geol. Expl. Fortieth Parallel, vol. IV, 1877.] 



Genera and species. 



.Port/era. 



Palicomanon roemeri Walcott 



Astylospongia sp ? 



Stromatopora, sp ? 



Actinozoa. 



Fistulipora, sp? 



Favosites hemispherica Y. & S 



basaltica, var 



I 



o 



HJ 



X 



X 

 X 



X 

 X 



X 

 X 



& 

 B 

 p 



.-s a 



Alveolitos multilamellataMeek . 



rockfordensis Hall f 



Cladopora prolifica Hall 



pulchra Rominger i 



sp.? X 



Thecia raniosa Rominger? x 



Syringopora hisingeri Billings 



perelegans Billings X 



Aulopora serpens Goldfnss ; X 



Cyathophyllum corniculnm M. 1 



, Ed. 



rugosumM. Ed. A Haiue. 



Remarks. 



Up. Held, and Ham. of New York and 

 Canada; Up. Held., Falls of Ohio. 



Geol. Expl. Fortieth Par., vol. iv,p. 25. 

 Type from Devonian of Iowa. 

 Up. H<-ld. of New York and Falls of Ohio. 

 Up. Held, of New York and Kails of Ohio. 

 Up. Held, of New York and Falls of Ohio. 

 Up. Held, of New York and Falls of Ohio. 

 Up. Held, of New York and Falls of Ohio. 



Hani, of Michigan. 



Up. Held, of New York. Canada. Fall* 



of Ohio, etc. 

 Up. Held, of New York, Falls of Ohio, 



etc. 



