GASTEROPODA. 



303 



Chi. 800. JSTat. Hist,, vol. 5, Niagara 

 Gr. [Ety. proper name.] 

 Xaticopsis sequistriata -was first publisliecl 

 in 1871, In Proc. Aoad. Nat Sci. 

 comperta. Hall, 1879, Pal. N. Y., vol. 5, 

 \ pt. 2, pi. 2'.), Up. Held. Gr. [Sig. 

 ascertained.] 

 depressa is from the Marshall or Kin- 



derhook Gr. 

 littonana var. genevievensis, Meek & 

 AVorthen, 1SG6, Proc. Acad. Nat. Sci., 

 Kaskaskia Gr. [Ety. proper name.] 

 monilifera. White, 1880, 12th Kep. U. S. 

 Geo. Sur. Terr., Up. Goal Meas. [Sig. 

 head bearing.] 

 ortoni, Whitfield, 1882, Desc. New Spec. 

 Poss. from Ohio, Coal Mens. [Ety. 

 proper name.] 

 ziczac, Whitfield, 1882, Desc. New Spec. 

 Poss. from Ohio, Kaskaskia Gr. [riig. 

 having short, sharp turns,] 

 Ophilkta oomplanata var. nana, Meek, 1870, 

 Hayden's U. S. Geo. Sur. Terr., 

 Calciferoue Gr. [Sig. a dwarf.] 

 Oemathichnus, S. a. Miller, 1880, Jour. 

 Cin. Soo. Nat. Hist., vol. 2. [Ety. 

 iirinutlins, a string of beads ; irlnws. 

 a track.] Supposed to be the trail of 

 a GHsteropod. 

 moniliformis, S. A. Miller. 1880, Jour. 

 Cin. Soc. Nat. Hist., vol 2, Utica 

 Slate Gr. [Sig like a necklace.] 

 Paljsacmj=a irvingi, Whitfield, 1878, Ann. 

 Bep. Geo. Sur. Wis., Potsdam Gr. 

 [Ety. proper name.] 

 PALiEOTBOCHUS, Hall, 1879. Pal. N. T., 

 vol. 5, pt. 2 [Ety. palaios, ancient; 

 Trochus, a genus. J 

 kearneyi instead of Pleurotomaria kear- 

 neyi. 

 Patella Linnjeus, 1758, Syst. Nat. 10th Ed. 

 [Ety. patella, a dish.] 

 levHtei, White, 1882, 11th Kep. Geol. & 

 Nat. Hist. Indiana, Warsaw Gr., re- 

 fer to Lepetopsis levettei. 

 Phaneeotinus paradoxus is from the Mar- 

 shall or Kinderhoolv Gr. 

 Phragmostoma cunulas (a little cradle) in- 

 stead of P. cumulus 

 Pileopsis conoides, P. naticoides, P. rotmi- 

 dolii, and P. i:iiiralis. Castelnau, 1843, 

 Syst. Sil. Not recognized. 

 Platvcbkas bivolve. White & Whitfield, 

 1862, Proc. Bost Soc. Nat. Hist., vol. 

 8, Kinderhook Gr. [Sig. witli two 

 rolls ] 

 chcsterense, Meek & Worthen, 1866, 

 Proc. Acad. Kat, Sci., Kaskaskia Gr. 

 [Ety. proper name.] 

 cornuforme and P. vomerium are from 



the Marshall or Kinderhook Gr. 

 Ijcrzeri, AVincliell, 1870, Notices and 

 Desc. Foss. from Marshall Gr. [Ety. 

 |iroi)cr name] , 



l;rvi!;atuni, :Meck & Worthen, l8b6, Proc. 

 Acad. Nat. Sci , Kaskaskia Gr. [Sig. 

 sniiiotlicd.] _ ^ 



minutissimum, Walcott, 187!', 32d Eeg. 



\ 



Rep., Calciferous Gr. [Si,g. the 

 smallest.] 

 Platyceeas naticoides, Ethei-idge, 1878, 

 Qnar. Jour. Geo. Soc, vol. 34, Up. Sil. 

 [Sig. like a Xniicn.] 

 paralium. White & Whitfield, 1862, Proc. 

 Bost. Soc, Nat. Hist., vol. 8, Kinder- 

 hook Gr. [Sig. that grows by tlic 

 seaside.] 

 squalodens, Whitfield, 1882, Desc. New 

 Spec. Foss. from Ohio, Up. Held. Gr. 

 [sig. a kind offish tooth.] 

 subsinuosum, Worthen, 1882, Bull. No. 

 1, HI. St. Mus. Nat. Hist., Low. Held. 

 Gr. [Sig. somewhat sinuous.] Pro- 

 posed instead of P. subundatum, M. 

 & W. 

 tribulosum. White, 1880, 12th Bep. U. S. 

 Geo. Sur. Terr., Burlington Gr. [Sig. 

 thorny.] 

 Platystoma grayvillense, Worthen, 1882, 

 Bull. No. 1, HI. St. Mus. Nat. Hist., 

 Coal Meas. Proposed instead of P. 

 tumidum, M. & ^Y., which was pre- 

 occupied. 

 Pleueonotus, H.all, 187'-), Pal. N. Y., vol. 

 5. pt, 2. [Ety. pleura, side; notos, 

 back ] 

 derewi, instead of Euomphalus decewi. 

 PLEDEOTOiMARiA adjutor. Hall, 1879, Pal. 



N. Y., vol. 5, pt. 2, Up. Held. Gr. 



[Sig. a helper.] 

 arata var. clausa, Hall, 1879, Pal. N. Y., 

 -~- vol. 5, pt. 2, Up. Held. Gr. [Sig. 

 an inclosed place.] 

 broadheadi. White, 1880, 12th Rep. 

 U. S. Geo. Sur. Terr., Coal Meas. 

 [Ety. proper name.] 

 couiformis. Worthen, 1882, Bull. No. 1, 

 111. St. Mus. Nat. Hist., Coal Meas. 

 [Sig. cone shaped.] Proposed instead 

 of P. conoides, M. & W. 

 doris, refer to Cyclonema doris. 

 concava, of Hall, refer to Eotrochus con- 



cavus. 

 elegantula, instead of Murchisonia ele- 



fantula. 

 eyi, Meek, 1871, Proc. Acad. Nat. 

 ° Sci., Coal. :Meas. [Ety. proper name.] 

 imitator, refer to Callonem a imitator, 

 itys var. tenuispira, Hall, 1879, Pal. N. 



Y., vol. .T, pt. 2. Ham. Gr. [Sig. 



having a slender spire.] 

 l-earneyi, in the 14th Reg. Bep., refer to 



Paiajotrochus kearneyi. 

 laphami, Whitfield, 1878, Ann. Bep. 



Geo. Sur. ^^■is., Niagara Gr. [Ety. 



proper name] 

 huoKmrortlianii, refer to Cyclonema lea- 

 ven worthanum. 

 mcta, 3I(.'ck .and Worthen, 1865, Proc. 



Acail. Nat. Sci., Keokuk Gr. [Sig, 



j)vraniidal.] 

 miss'issippicnsis. AVliitc and AVhitfield, 



1862 Proc, Bost, Soc. Nat. Hist., vol. 



8, Kinderhook Gr. [Ely. proper 



name] 

 mitigata, P. quimiucsulcata, P. rota, P. 



