Myal. 



434 



Measures. Geol. Survey of Penna. Annual Report for 1885, 

 pp. 446, 454, figs. 15, 15 K,—XIIL 



Myalina (?) s^^allovi (McOhesney. New Palaeozoic Fossils, 



(». ^^n i5 ..^^ 1860, page 57.) CoUett's In- 



diana Report for 1883, page 

 141 plate 30, fig. 6, natitral 

 size, outside of left valve; 

 fig. 7, outside of right valve ; 

 fig. 8, back of another speci- 

 inA. IS33« rl.oU. j32en. — Upper Coal Measures^ 



characteristic shell in all the States of the Mississippi Valley. 

 Found in three counties of Indiana, at coal bed M. — XV. 



Myalina 



? in Fayette and Westmoreland gaps; Stev 



enson, KKK, 311 ; Lower Carboniferous^ X, XI, 



Myalina ? on the Monongahela river, Morgantown, 



W. Va. ; (Stevenson, L, 37) ; in Decker'^ 8 creek shale under Ma- 

 honing sandstone, XIII, 



Myalina ? in Fayette Co., Pa. (L, 36) in Crinoidal 



limestone, 250' beneath Pittsburgh coal bed. XIV. 



Mycterops ordinatus, Cope. American Naturalist, Dec. 



1886, page 1029, fig. 

 1, and Oct. 1888, page 

 876, plate 15, fig. 3, a 

 cast of the cranial and 

 nuchal buckler of a 

 fish - like vertebrate 

 animal of the Coal 

 Measures of Pennsyl- 

 vania, in the cabinet 

 of Mr. R. D. Lacoe of 

 Pittston, Luzerne Co., 

 Pa, allied to, but 

 different from the 

 species of the older 

 ( Devonian ) families 

 of Pterichthys^ Cep- 

 halaspis.) Bothriole- 

 pis, Holopty chins ^Qto^. 



Am: 



Wat 



