. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Flo. 719.—Ti'ochonema iiinbllicAMim. nana, Foerste, 1885, Bull. Sci. Lab. Denison I'niv., p. 94. Not properly defined. po'iper, Hall, syn. for P. halii. pauper var. ohioi nse, Hall & Whitfield, 1875, Ohio Prtl., vol. 2, p. 144, NiagaraGr. recfiiatera, Hall & Wlntfield, 1872, 24th Hep. X. Y. Mus. Nat. Hist., p. 193, Up. Held. Gr. tiicarinatum, BilliiiRs, 1859, Can. Nat. & (ico , vol. 4, p. 35t), Calcife
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Flo. 719.—Ti'ochonema iiinbllicAMim. nana, Foerste, 1885, Bull. Sci. Lab. Denison I'niv., p. 94. Not properly defined. po'iper, Hall, syn. for P. halii. pauper var. ohioi nse, Hall & Whitfield, 1875, Ohio Prtl., vol. 2, p. 144, NiagaraGr. recfiiatera, Hall & Wlntfield, 1872, 24th Hep. X. Y. Mus. Nat. Hist., p. 193, Up. Held. Gr. tiicarinatum, BilliiiRs, 1859, Can. Nat. & (ico , vol. 4, p. 35t), CalciferouH Gr. \r'\i-nrinntn. pee Trochonema nieekanura. umbilicatum, Hall, 1847, (Pleuroto- maria umbilica- ta,)Prtl. ,vol. 1, p. 43. Cliazy to Hud. Kiv. (Jr. vamlellanum. Hall iV: Whitfield, 1872, 24th Rpp. N. Y. JNIns. Niit. Hist., p. 194, Up. Held. Gr. Trochus, Adanson, 1757, Voy. Sene- gal. [Kty. trochus, a hoop.] Not a I'aheozoie genus. huronensis, Castelnau, 1843, Syst. Sil., p. I!5. Not recognized. mi.«o((/jen«/.s, see Pleurotomaria missouri- ensis. , Lindstrom, 1880, Fra^^.-ienta Sihirica, p. 15. [Ety. truhlion, a cup.] I'.iteiliforin, obovate, acuminate ante- riorly, enlarged posteriorly; muscular scars in six < pairs arranged in an oblong circle open toward the front. Tvue T. reticulatum. acutum, Wtiitfield, 1889, Bull. Am. Mus. Nat. Hist., vol. 2, p. 45, Calciferous Gr. canadense, Whiteaves, 1884, Pal. Foss., vol. 3, p. 31, Guelph Gr. conicnni, Whitfield, 1886, Bull. Am. Mus. Nat. EiHt., vol. 1, p. 306, Birdseye Gr. erato, Billings, 1862, (Metoptoma erato,) Pal. Foss., vol. 1, p. 39, Black Riv. Gr. euhule, Billings, 1862, (Metoptoma eu- bule,) Pal. Foss., vol. 1, p. 38, Calcifer- ous and )31ack Riv. Fig. 720.—Tryblldiuni nyctels. hyrie, Billings, 1862, (Metoptoma hyrie,) Pal. Foss., vol. 1, p. 87, Quebec Gr. niobe, Billings, 1862, (Metoptoma niobe,) Pal. Foss., vol. 1, p. 37, Calciferous Gr. nycteis, Billings, 1862, (Metopton:
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