List of Concuumgh Fossils. — White. 213 
the climatic and other physical conditions affecting animal life, must 
have remained remarkably uniform throughout the whole of the long- 
continued coal-period. Very truly yours, 
F. B. MtEK." 
List of Fossils identified by F. B. Meek from Iwvizon of Crinoidal 
or Allies LiniesPoiie, near Morgantoivn, IVest Virginia. 
*Crinoidal fragments — Some pentagonal, star-shaped discs of col- 
umns. 
Crinoidal colunms. 
Hemipronites crassus Meek and Hayden. 
Chonetes smithii Norzvood and Praifen. 
Chonetes. Seems to differ from C. granulifer'a Owen, only in being 
smaller. 
*Productus nebrasccnsis Owen. 
*Productus prattenanus Norzvood. 
*Productus semireticulatus Martin sp. Seems to be rare in our 
beds. 
'•'Discina nitida? (?) 
*Pseudomonotis. (Monotis of some authors but not of Brown.) A 
fragment, but showing exactly the irregular radiating costse and stride, 
with vaulted scales seen on the ribs in that genus. 
*Avicu!opecten carbonarius Stevenson, sp. — • Pecten broadheadi 
Sivallow, and Pecten hawni Geinitz. 
*Myalina subquadrata Shumard, var. ainpla. 
Myalina. Undetermined species. Very small. Probably a young 
shell." 
Allorisma. Undetermined species. 
*Nucula ventricosa Hall. 
*Nucula parva McChesney. 
tNucula anodontoidea Meek. 
*Nuculana bellistriata Stevenson, sp. A very small attenuated vari- 
■ety. Common in the so-called upper Dyas, Nebraska City, Nebraska. 
Astartella. Undetermined species. 
tMacrodon obsoletus Meek. 
Macrocheilus primigenius Conrad. 
*Macrocheilus ventricosus Hall. 
Macrocheilus. Undetermined species. 
tNew species. 
*Bellerophon montfortianus Norzvood and Pratteii. 
*Bellerophon percarinatus Conrad. 
*Bellerophon carbonarius Co.v. 
Bellerophon meekianus Szvallazv. 
*Pleurotomaria grayvillicnsis Norzvood and Pratten. 
Pleurotomaria. Undetermined species. A very small depressed 
■species. 
*Orthoceras cribrosum Gcinitz. 
• Species known to ranKe through the whole of the Coal Mea.snres in the 
"West, even into the unper In-ds at Nebraska City. Neb., referred by Profs. 
Marcou and Geinitz to the Permian or so-called Dvas. 
