408 



GASTEROPODA. 



[MAC. 



subattenuatum, Hall, 1862, 15th Rep. 

 N. Y. Mus. Nat. Hist., p. 52, and Pal. 

 N. Y., vol. 5, pt. 2, p. 40, Schoharie grit. 

 subulata, see Murchisonia subulata. 

 swallovanum, Shumard, 1859, (Chem- 

 nitzia swallovana,) Trans. St. Louis 

 Acad. Sci., vol. 1, p. 399, Permian, 

 tenuicarinatum, Stevens, 1858, Am. Jour. 

 Sci., 2d series, vol. 25, p. 260, Coal Meas. 

 tenuilineatum, Shumard, 1855, (Chem- 

 nitzia tenuilineata,) Geo. Rep. Mo., p. 

 207, Waverly Gr. or Choteau limestone, 

 terebra, Hall, 1876, Illust. 

 Devon. Foss., pi. 14, and 

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

 48, Chemung Gr. 

 teres, Hall, 1876, Illust., 

 Devonian Foss., pi. 13, 

 and Pal. N. Y., vol. 5, pt. 

 2, p. 42, Corniferous Gr. 

 turritiforme, Hall, 1860, 

 13th Rep. N. Y. Mus. 

 Nat. Hist., p. 109, Kin- 

 derhook Gr. 

 vincta, see Murchisonia vincta. 

 yandellanum, Hall, 1858, Trans. Alb. 

 Inst., vol. 4, p. 28, and Bull. Am. Mus. 

 Nat. Hist., p. 77, Warsaw Gr. 

 MACLUREA, LeSueur, 1818, (Maclurites,) 

 Jour. Acad. Nat. Sci., vol. 1, p. 312. 

 [Ety. proper name.] Discoidal, few 

 whorl ed, reversed, upper surface con- 

 vex, deeply perforate, outer side spi- 

 rally grooved; operculum sinistrally 

 subspiral, solid, with two internal pro- 

 jections for the attachment of muscles. 

 Type M. magna. 



Tr. 



nema yanl 

 dellauum. 



FIG. 683,-Maclurea crenulata. 



acuminata, Billings, 1865, Pal. Foss., vol. 



1, p. 240, Quebec Gr. 

 affinis, Billings, 1865, Pal. FOBS., vol. 1, p. 



238, Quebec Gr. 

 annulata, Walcott, 1885, Monogr. U. S. 



Geo. Sur., vol. 8, p. 81, Chazy Gr. 

 atlantica, Billings, 1859, Can. Nat. and 



Geo., vol. 4, p. 459, Chazy Gr. 

 bigsbyi, Hall, 1861, Geo. Rep. Wis., p. 37, 



and Geo. Wis., vol. 4, p. 222, Tren- 

 ton Gr. 

 carinata, Walcott, 1885, Monrgr. U. S. 



Geo. Sur., vol. 8, p. 82, Trenton Gr. 

 crenulata, Billings, 1865, Pal. FOBS., vol. 1, 



p. 236, Quebec Gr. 

 cuneata, Whitfield, 1878, Ann. Rep. Geo. 



Sur. Wis., p. 75, and Geo. Wis., vol. 4, 



p. 246, Trenton Gr. 



emmonsi, Billings, 1865, Pal. Foss., vol. 



1, p. 242, Quebec Gr. 

 labiata, see Raphistoma labiata. 

 logani, Salter, 1851, Rep. British Assoc., 



p. 63, Black Riv. Gr. 



magna, LeSueur, 1818, Jour. Acad. Nat. 

 Sci., vol. 1, p. 312, and Pal. N. Y., vol. 

 1, p. 26, Chazy Gr. 

 matutina, Hall, 1847, Pal. N. Y., vol. l,p. 



10, Calciferous Gr. 



minima, Hall & Whitfield, 1877, TJ. S. 

 Geo. Expl., 40th parallel, vol. 4, p. 235, 

 Chazy Gr. 

 oceana, Billings, 1865, Pal. Foss., vol. 1, 



p. 237, Quebec Gr. 

 ponderosa, Billings, 1865, Pal. Foss., vol. 



1, p. 239, Quebec Gr. 

 psyche, Billings, 1865, Pal. Foss., vol. 1, 



p. 244, Quebec Gr. 

 rotundata, Billings, 1865, Pal. Foss., vol. 



1, p. 245, Quebec Gr. 

 speciosa, Billings, 1865, Pal. Foss., vol. 1, 



p. 240, Quebec Gr. 

 sordida, Hall, 1847, Pal. N. Y., vol. 1, p. 



10, Calciferous Gr. 

 striata, see Scalites striatus. 

 striata, Troost, 1840. Not defined, 

 subannulata, Walcott, 1885, Monogr. 

 U. S. Geo. Sur., vol. 8, p. 82, Tren- 

 ton Gr. 



subrotunda, Whitfield, 1878, Ann. Rep. 

 Geo. Sur. Wis., p. 75, and Geo. Wis., 

 vol. 4, p. 246, Trenton Gr. 

 sylpha, Billings, 1865, Pal. Foss., vol. 1, p. 



244, Quebec Gr. 



transitionis, Billings, 1865, Pal. Foss., vol. 

 1, p. 241, Quebec Gr. 



wadsworthi, Whit- 

 field, 1884, Bull. 

 Am. Mus. Nat. 

 Hist, vol. 1, p. 

 139, Up. Taconic. 

 Macrocheilus, Phillips, 

 1841, Pal. Foss., 

 Cornwall, etc., p. 

 103. This name 

 was preoccupied 

 by Hope, in 1838, 

 for a genus of 

 Coleopterous in- 

 sects. Bayle has 



proposed Macrochilina, to which all 

 the species are referred. 

 altonense, see Macrochilina worthenanus. 

 altonense, see Macrochilina altonensis. 

 anguliferum, see Macrochilina angulifera. 

 attenuatum, Hall, syn. for Soleniscus 



fusiformis. 



cooperense, see Macrochilina cooperensis. 

 fusiforme, see Soleniscus fusifprmis. 

 gracik, see Macrochilina gracilis. 

 hallanum, see Soleniscus hallanus. 

 hamiltonise, see Macrochilina hamiltonise. 

 hebe, see Macrochilina hebe. 

 hildrethi, see Macrochilina hildrethi. 

 humile, see Machrochilina humilis. 

 inhabile, syn. for Macrochilina primi- 



genius. 

 intercalare, see Macrochilina intercalaris. 



