MAC. MET.] 



GASTEROPODA. 



409 



kansasens?, see Macrocbilina kansasensis. 

 klipparti, see Soleniscus klipparti. 

 macrostomum, see Macrochilina macros- 



tomus. 



mediate, see Macrochilina medialis. 

 missouriense, see Macrochiliaa missouri- 



ensis. 



newberryi, see Soleniscus newberryi. 

 paludinseformis, see Soleniscus paludini- 



formis. 



pingue, see Macrochilina pinguis. 

 ponderosum, see Macrochilina ppnderosus. 

 primsevum, see Macrochilina primaevus. 

 primigenium, see Macrochilina primi- 



genius. 



pri&cum, see Macrochilina prisca. 

 pulchellum, syn. for Macrochilina inter- 



calaris. 



spiratum, see Macrochilina spirata. 

 subcorpulentum, see Macrochilina subcor- 



pulenta. 



terranovicum, see Macrochilina terranovica. 

 texanum, see Soleniscus texanus. 

 ventricosum, see Soleniscus ventricosus. 

 MACROCHILINA, Bayle, 1880, Journal de Con- 



cbyliologie, 3me. ser., t. 19. Proposed 



instead of Macrocheilus of Phillips, 



which was preoccupied by Hope. 



[Ety. diminutive of Macrocheilus.} Sub- 

 globose, elongate ; apex pointed ; whorls 



convex, smooth, last one large ; aper- 

 ture subovate ; cplumella imperforate ; 



outer lip thin, without notch or sinus ; 



inner lip thin above and thickened be- 

 low. Type M. acuta 

 aUonensis, Worthen, 1873, (Macrocheilus 



altonense,) Geo. Sur. 111., vol. 5, p. 593, 



Coal Meas. 

 angulifera, White, 1874, (Macrocheilus an- 



guliferum,) Rep. Invertebrate Foss., p. 



22, and Geo. Sur. 100th Mer., vol. 4, p. 



160, Carboniferous, 

 carinata, Stevens, 1858, (Loxonema cari- 



natum,) Am. Jour. Sci., vol. 25, p. 259, 



Coal Meas. 

 cooperensis, Swallow, 1863, (Macrocheilus 



cooperense,) Trans. St. Louis Acad. 



Sci., vol. 2, p. 100, Kaskaskia Gr. 

 gracilis, Cox, 1857, (Macrocheilus gracile,) 



Geo. Sur. Ky., vol. 3, p. 570, Coal 



Meas. 

 hamiltonise, Hall, 1862, (Macrocheilus 



hamiltonire,) 15th Rep. N. Y. Mus. Nat. 



Hist., p. 49 and Pal. N. Y., vol. 5, pt. 2, 



p. 33, Ham. Gr. 

 hebe, Hall, 1862, (Macrocheilus hebe,) 



15th Rep. N. Y. Mus. Nat. Hist., p. 48, 



and Pal. N. Y., vol. 5, pt. 2, p. 32, 



Ham. Gr. 

 hildrethi, Conrad, 1842, (Plectostylus 



hildrethi,) Jour. Acad. Nat. Sci., vol. 8, 



p. 275, Coal Meas. 

 humilis, Keyes, 1888, (Macrocheilus 



humile,) Proc. Acad. Nat. Sci. Phil. pi. 



xii, fig,, 1, Coal Meas. 

 intercalaris, Meek & Worthen, 1860, 



(Macrocheilus intercalare,) Proc. Acad. 



Nat. Sci., p. 467, and Geo. Sur. 111., vol. 



2, p. 371, Up. Coal Meas. 



kansasensis, Swallow, 1858, (Macrochei- 

 lus kansasense,) Trans. St. Louis Acad. 

 Sci., vol. 1, p. 201, Coal Meas. 



littonana, Hall, 1858, 

 (Natica littonana,) 

 Trans. Alb. Inst, vol. 

 4, p. 30, and Bull. Am. 

 Mus. Nat. Hist., p. 72, 

 Warsaw Gr. 



macrostoma, Hall, 1862, 

 (Macrocheilus macros- 

 tomum,) 15th Rep. 

 N. Y. Mus. Nat. Hist., 

 p 49 and Pal. N. Y 

 vol. 5, pt. 2, p. 33, nana. 

 Ham. Gr. 



medialis, Meek & Worthen, 1860, (Ma- 

 crocheilus mediale,) Proc. Acad. Nat. 

 Sci., p. 466, and Geo. Sur. 111., vol. 2, p. 

 370, Up. Coal Meas. 



missouriensis, Swallow, 1858, (Macrochei- 

 lus missouriense,) Trans. St. Louis Acad. 

 Sci., vol. 1, p. 201, Coal Meas. 



pinguis, Winchell, 1863, (Macrocheilus 

 pingue,) Proc. Acad. Nat. Sci., p. 21, 

 Marshall Gr. 



ponderosa, Swallow, 1858, (Macrocheilus 

 ponderosum,) Trans. St. Louis Acad. 

 Sci., vol. 1, p. 202, Coal Meas. 



primseva, Hall, 1876, (Macrocheilus pri- 

 maevum,) Illust., Devonian Foss., pi. 

 12, ^nd Pal. N. Y., vol. 5, pt. 2, p. 35, 

 Schoharie grit. 



priinigenia, Conrad, 1835, (Stylifer prim- 

 igenia,) Trans. Geo. Soc. Penn., vol. 1, 

 p. 267, Coal Meas. 



prisca, Whitfield, 1882, (Macrocheilus 

 priscum,) Ann. N. Y. Acad. Sci., vol. 2, 

 p. 204, Up. Held. Gr. 



spirata, McCoy, 1850, (Macrocheilus spira- 

 tum,) Brit. Pal. Rocks, p. 549, Coal 

 Meas. 



subcorpulenta, Whitfield, 1882, (Macro- 

 cheilus subcorpulentum,) Ann. N. Y. 

 Acad. Sci., vol. 2, p. 224, Kaskaskia Gr. 



terranovica, Dawson, 1883, (Macrocheilus 

 terranovicum,) Rep. on Redpath Mu- 

 seum, No. 2, p. 14, Carboniferous. 



worthenanus, n. sp. St. Louis Gr. Pro- 

 posed instead of Macrocheilus alton- 

 ense in Geo. Sur. 111., vol. 8, p. 143, 

 which name was preoccupied. 

 METOPTOMA, Phillips, 1836, Geo. of York- 

 shire, pt. 2, p, 223. [Ety. metopon, 

 front : tome, incision.] Patelliform, 

 truncated under the apex, at the pos- 

 terior side ; horseshoe-shaped muscular 

 scar, with the open end directed from 

 the truncated side. Type M. oblonga. 



alceste, Billings, 1862, Pal. Foss., vol. 1, 

 p. 153, Hud. Riv. Gr. 



alta, Whitfield, 1889, Bull. Am. Mus. Nat. 

 Hist., vol. 2, p. 44, Calciferous Gr. 



analoga, Walcott, 1885, Monogr. U. S. 

 Geo. Sur., vol. 8, p. 84, Trenton Gr. 



angusta, Billings, 1862, Pal. Foss., vol. 1, 

 p. 88, Quebec Gr. 



anomala, Billings, 1862, Pal. Foss., vol. 1, 

 p. 89, Quebec Gr. 



