694 



GASTROPODA. 



| IMS. TRY. 



a Flemingia, and yet it much resembles 

 an Eotrochu8. 

 (?) stultus, Herrick, 1888, Bull. Denison 

 Iniv., vol. 4, p. 45, Waverly Gr. This 

 species may belong to Eotrochus. 

 Fusispiba (?) spicula, Sardeson, 1892, Bull. 

 Minn. Acad. Nat. Sci., vol. 3, p. 336, 

 Trenton < i r. 

 Hei.enia, Walcott, 1S89, Proc. U. S. Nat. 

 Mus., vol. 12, p. 39, [Ety. proper name.] 

 Shell an elongate, narrow, flattened, 

 curved tube ; transverse section and 

 aperture elliptical ; surface marked by 

 transverse, concentric, imbricating 

 lines of growth. Type H. bella, which 

 is described at the same place from the 

 . I "p. Taconic, without illustration. 

 Hklicotoma similis, Whitfield, 1890, Ball. 

 Am. Mus. Nat. Hist., vol. 3. p. 31, Cal- 

 ciferous < Ir. 

 Holopea cassina is from the Calciferous Gr. 

 hubbardi, S. A. Mil- 

 ler, 1892, Advance 

 Sheets L8th Rep. 

 Geo. Sur. Ind., p. 64, 

 Fig. 12.5.V— Holopea Hud. Riv. Gr. 



hnbbardl. perundosa, Sardeson, 



1892, Bull. Minn. Acad. Nat. Sci., vol. 

 3, p. 33f>, Trenton Gr. 

 Lepetopsis parrishi,( itirley, 1884, New Carb. 



Foes, p. 7, Up. Coal Meas. 

 Maclurea manitobensis, Whiteaves, 1889, 

 Trans. Roy. Soc. Can., p. 75, Tren- 

 ton Gr. 

 Miii-nirliihn oarincUwn . see Macrochilina 



carinata. 

 M ukochii.ixa l)lairi, S. A. Miller, 1891, 

 17th Rep. Geo. Sur. Ind., p. 84, Chou- 

 teau limestone. 

 carinatum, Nettleroth. The name was 



preoccupied. See M. Nettlerotliana. 

 nettlerothana, n. sp. Proposed instead 

 of M. carinatum of Nettleroth, in 

 Kentucky Foss. Shells, p. 180, Up. 

 Held. Gr., which name was preoccu- 

 pied. 

 ^Metojptoma. Type M. pileus. 



explanata, Sardeson, 1892, Bull. Minn- 

 Acad. Nat. Sci., vol. 3, p. 336, Tren. 

 ton Gr. 

 Murc 'insoxi a archiacana and M. dowlingi, 

 Whiteaves, 1892, Cont, to Can. Pal., 

 p. 315, Devonian, 

 hammelli, S. A. Miller, 1892, Advance 

 Sheets 18th Rep. Geo. Sur. Ind., p. 

 65, Hud. Riv. Gr. 

 obelisca is from the Calciferous Gr. 

 Naticopsjs remex is from the Coal Meas. ' 

 Pal^eacmtka cingulata, Whiteaves, 1892, 



Cont. to Can. Pal., p. 311, Devonian. 

 Platyceras boonvillense, S. A. Miller, Ad- 

 vance Sheets 17th Rep. Geo. Sur. Ind. 

 p. 82, Keokuk Gr. 

 compressum, Nettleroth, 1889, Kentucky, 

 Foss. Shells, p. 162, Up. Held. Gr. 



cyrtolites is from the Burlington Group. 



milleri, Nettleroth, 1889, Kentucky Foss. 

 Shells, p. 165, Up. Held. Gr. 



missouriense, S. A. Miller. 1891, Advance 

 Sheets 17th Rep. Geo. Sur. Ind., p. 82, 

 Burlington Gr. 



nasutum, S. A. Miller, 1891, Advance 

 Sheets 17th Rep. Geo. Sur. Ind., p. 82, 

 Chouteau limestone. 



pettisense, S. A. Miller, 1891, Advance 

 Sheets 17th Rep. Geo. Sur. Ind., p. 81, 

 Builington < ir. 



romingeri, Walcott, 1888, Proc. U. S. Nat. 

 Mus., p. 442, Up. Taconic. < Not illus- 

 trated. 

 Platystoma broadheadi, S. A. Miller, 1891, 

 Advance Sheets 17th Rep. Geo. Sur. 

 Ind.. p. 86, Chouteau limestone. 

 Pleukotomaria arabella, Nettleroth. The 

 name was preoccupied. See P. nettle- 

 rothana. , 



clivosa, Sardeson, 1S92, Bull. Minn. Acad. 

 Nat. Sci., vol. 3, p. 337, Trenton (ir. 



dithcilis, Whitfield, 1890, Bull. Am. 

 Mus. Nat. Hist., vol. 3, p. 33, Calcifer- 

 ous Gr. 



goniostoina, Whiteaves, 1890, Trans. Roy. 

 Soc Can., vol. 8, p. 99, Devonian. 



liarii, S. A. Miller, 1891, Advance Sheets 

 17th Rep. # Geo. Sur. Ind., p. 83, Up. 

 Coal Meas*. 



infranodosa, Whiteaves, 1892, Cont. to 

 Can. Pal., p. .'513, Devonian. 



nettlerothana, n. sp. Proposed instead 

 of P. arabella, of Nettleroth, in Ken- 

 tucky Foss. Shells, p. 171, which name 

 was preoccupied, Up. Held. (ir. 



proctori, Nettleroth, 1889, Kentucky Foss. 

 Shells, p. 173, Up. Held. Gr. 



sedaliensis, S. A. Miller, 1891, 17th Rep. 

 Geo. Sur. Ind., p. 83, Chouteau lime- 

 stone. 



strigillata, Herrick, 1888, Bull. Denison 

 Univ., vol. 3, p. 8<>, Waverly (ir. 

 Porcellia manitobensis, Whiteaves, 18i)2, 



Cont. to Can. Pal., p. 318, Devonian. 

 Raphistoma tyrrelli, Whiteaves, 1892, Cont. 



to Can. Pal., p. 314, Devonian. 

 Straparoli.us blairi, S. A. Miller, 1891, Ad- 

 vance Sheets 17th Rep. Geo. Sur. Ind., 

 p. 86, Chouteau limestone. 

 Subulites was described by Emmons, 1842, 

 Geo. Sur. 2d Dist. N. Y., p. 392. 



benedicti, S. A. Miller, 1891, 17th Rep. 

 Geo. Sur. Ind., p. 84, Niagara Gr. 

 Tryblidium conicum is from the Chazy Gr. 



exsertum, validum, Sardeson, 1892, Bull. 

 Minn. Acad. Nat. Sci., vol. 3, p. 337, 

 Trenton Gr. 



indianense, S. A. Miller, Advance Sheets 

 17th Rep. Geo. Sur. Ind., p. 85, Hud. 

 Riv. (ir. 



madisonense, S. A. Miller, 1892, Advance 

 Sheets 18th Rep. Geo. Sur. Ind., p. 64, 

 Hud. Riv. Gr. 



