456 



JOSIAH BRIDGE AND B. E. CHARLES 



TABLE I 



List of Species Identified from the Devonian Qitartzite at Rolla, Missouri 



Illinois 



Ken- 

 tucky 



3 

 Mich- 



4 

 Ohio 



S 

 New 

 York 



Coelenterata : 



Zaphrentis gigantea, Lesueur 



Zaphrentis prolifica, Billings 



Zaphrentis Sp 



Acervularia rugosa (E. and H.).. • 



Amplexus yandelli (E. and H.). . . 



Favosites winchelli, Rominger . . . . 



Favosites emmonsi, Rominger . . . . 



Favosites hasalticus, Goldfuss. . . . 



Favosites turbinatiis ( ?) Billings . . 



Favosites limitaris, Rominger. . . . 



Favosites clausus, Rominger 



Cladopora labiosa (Billings) 



Molluscoidea : 



Cystodictya gilberti ( ?) Meek .... 



Stropheodonta demissa (Conrad) . 



Rhipidomella vannxemi, Hall 



Centronella glansfagea, Hall 



Eunella (?) Sp 



Spirifer divaricatus, Hall 



Spirifer grieri ( ?), Hall 



Martinia maia ( ?) (Billings) 



Nucleospira concinna, Hall 



Mollusca : 



Actinodesma occidentale {?), Hall. 



Conocardium ctmeus (Conrad) . . . 



Conocardium ohioense, Meek .... 



Bellerophon pelops, Hall 



Bellerophon neivberryi, Meek 



Hormotoma maia, Hall 



Igoceras conicum (HaU) 



Loxonema robustum {?), Hall. . . . 



Cyclonema crenulata, Meek 



Callonema bellatula, Hall 



Callonema huniile, Meek 



Callonema conus, Eandle 



Tentaculites scalariformis, Hall . . . 



Coleolits tenuicinctum; Hall 



Orthoceras Sp 



Gomphoceras Sp (2) 



Ziitleoceras iter ens, HaU 



Arthropoda : 



Phacops cristata, Hall 



Proetus darns, Hall 



Dalmanites calypso, Hall 



H* 



X 



var. 



H 



H 



*H indicates that species occurs in the Hamilton at that particular locality. 



