254 



INDEXICAL LIST OF FOSSILS. 



Metoptoma umbella, I[, 183. 



Syn. Igoceras capulas. 

 Miehelinia placenta, I, 119. 



Syn. Olelstopora placenta. 

 Microcyclus blairi, 1, 117. 

 Missouricrinus dmonitus, E, 225. 



Doubtful. 



Monopteria gibbosa, II, 114. 

 Monopteria longspina, IE, 114. 

 Monotis gregaria, EE, 114. 

 Murchisonia bellicincta, EE, 145. 



Syn. Murchisonia major. 

 Murchisonia bicincta, EE, 145. 



Syn. Murchisonia carinifera. 

 Murchisonia carinifera, EE, 145. 

 Murchisonia gracilis, EE, 14*5. 

 Murchisonia major, EE, 145. 

 Murchisonia melaniaformis, El, 145. 

 Murchisonia milleri, EE, 145. 



Syn. Murchisonia, carinifera. 

 Murchisonia mimima, EE, 202. 



Syn. Aclisina minuta. 

 Murchisonia ozarkensis, II, 216. 



Doubtful. 



Murchisonia terebra, EE, 146. 

 Myalina angulata, EE, 118. 

 Myalina kansasensis, IE, 117. 

 Myalina keokuk, EE, 117. 

 Myalina perattenuata, IE, 118. 

 Myalina recurvirostris, II, 117. 

 Myalina sancti-ludovoci, IE, 117. 

 Myalina subquadrata, IE, 118. 

 Myalina swallowi, IE, 119. 



Natica altonensis, IE, 199. 



Syn. Naticopsis ventricosa. 

 Natica carleyana, EE, 196. 



Syn. Strophostylus carleyana. 

 Natica littonana, IE, 214. 



Syn. Sphaerodoma littonana. 

 Natica shumardi, EE, 199. 



Syn. Naticopsis ventricosa. 

 Natica ventrica, IE, 199. 



Syn. Naticopsis ventricosa. 

 Naticopsis altonensis, var. gigan- 

 tea, EE, 199. 



Syn. Naticopsis ventricosa. 

 Natieopsis carleyana, EE, 196. 



Syn. Strophostylus carleyana. 



Naticopaishollidayi, Et, 201. 



Syn. Trachydomia nodosum. 

 Naticopsis littonana, EE, 214. 



Syn. Sphrerodona littonana. 

 Naticopsis littonana, var. genevi- 

 ensis, IE, 214. 



Syn. Sphaerodoma littonana. 

 Naticopsis magister, IE, 199. 



Syn. Naticopsis ventricosa. 

 Naticopsis monilifera, II 144. 



Syn. Pleurotomaria monilifera. 

 Naticopsis nana, EE, 196. 



Syn. Strophostylus nana. 

 Naticopsis nodosa, EE, 201. 



Syn. Trachydomia nodosum. 

 Naticopsis nodosa, var. hollidayi, 

 IE, 201. 



Syn. Tracbydomia nodosum. 

 Naticopsis pricei, IE, 199. 



Syn. Naticopsis ventricosa. 

 Naticopsis remex, IE, 197. 



Syn. Strophostylus remex. 

 Naticopsis ventricosa, II, 199. 

 Naticopsis wheeleri, EE, 200. 



Syn. Trachydomia wheeled. 

 Nautilus biserialis, EE, 224. 



Syn. Nautilus occidentalis. 

 Nautilus burlingtonensis, EE, 221. 

 Nautilus capax, IE, 227. 



Doubtful. 



Nautilus digonus, IE, 222. 

 Nautilus forbesianus, IE, 223. 

 Nautilus gilipini, EE, 227. 



Doubtful . 

 Nautilus lawsi, El, 228. 



Doubtful. 



Nautilus missourienses, IE, 224. 

 Nautilus nodocarinatus, IE, 224. 



Syn Nautilus occidentalis. 

 Nautilus occidentalis, EE, 224. 

 Nautilus peramplus, EE, 222. 



Syn Nautilus spectabilis. 

 Nautilus ponderosus, EE, 222. 

 Nautilus quadrangularis, II, 224. 



Syn Nautilus occidentalis. 

 Nautilus sangamonensip, IE, 225. 



Syn. Metaceras sangamonense. 

 Nautilus spectabilis, IE, 222. 

 Nautilus winslowi, II, 223. 



