. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 702 LAM ELUBRANCH I A FA. [SOI,.—wm. r: ; i r'' |-i i j. Fig. 1260.~Technophorii8 dl- varlcatu8. Left valve nat- ural size and magiilfled 3 diameters. 17th Rep. Geo. Sur. Ind., p. i»l, Up. Coal Meas. harlanensis, Herrick, 188S, Bull. Deniaon Univ., vol. 4, p. 117, Berea (irJt newarkenais, 5. pHlii'on- eiliformis, Herrick , 1888, Bull. Den i 8 o n Univ., vol. 3, pp. 64, 06, and S. pro- longatus, vol. 4, p. 36, Wa v
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. 702 LAM ELUBRANCH I A FA. [SOI,.—wm. r: ; i r'' |-i i j. Fig. 1260.~Technophorii8 dl- varlcatu8. Left valve nat- ural size and magiilfled 3 diameters. 17th Rep. Geo. Sur. Ind., p. i»l, Up. Coal Meas. harlanensis, Herrick, 188S, Bull. Deniaon Univ., vol. 4, p. 117, Berea (irJt newarkenais, 5. pHlii'on- eiliformis, Herrick , 1888, Bull. Den i 8 o n Univ., vol. 3, pp. 64, 06, and S. pro- longatus, vol. 4, p. 36, Wa ve r 1 y Gr., and S. flpellmani, and 8. subcircularis, 1887, vol. 2, pp. 36, 41, 42, Coal Meas. wheeleri. Swallow, 1862, (Cypricardia (?) wheeleri,) is in Trans. St. Louis Acad. Sci., vol. 2, p. iH5. SoLENOMYA cuyahogensis, Her- rick, 1888, Bull. Denison Univ., vol. 4, p. 115, Waverly Gr., and S. meekana, and S. subradiata, 1887, vol. 2, p. 30, Coal Meas. Spathella snbelliptica, Whit- eaves, 185)2, Cont. to Can. Pal., p. 2!)8, Devonian. Streblofteria gracilis, S. media, S. squamosa, Herrick, 1888, Bull. Denison Univ., vol. 3, pp. 56, 57, Waverly Gr. Technophor^s extenuatus, Ulricb, 18}»2, 19th Rep. Geo. Sur. Minn. p. 222, Trenton Gr., and T. divaricatus, T. fil- istriatus, T. subacutus. Am. Geo., vol. 10, pp. 101 and 102, Trenton Gr. Tellinomya diminuenF; and T. cuneata, Simpson, 1889, Trans. Am. Phil. Soc, p. 453, Clinton Gr. compressa T. nitida, T. planodorsata, T. sabrotunda, Ulrich, 1892,19th Rep. Geo. Sur. Minn., pp. 215 to 219, Trenton Gr.; T. intermedia, p. 218, Galena Gr.; and T. recurva and T. similis, pp. 220, 221, Hud. Riv. Gr.; and T. longa. Am. Geo., vol. 10, p. 103, Black Riv. Gr. candens, lepida, Sardeson, 1892, Bull. Minn., Acad. Nat. Sci., vol. 3, p. 339, Trenton Gr. Whitella, Ulrich, 1891, Am. Geo., vol. 6, p. 176. [Ety. proper name.] Shell large, thin, obliquely quadrangular or suboval, equivalve, inequilateral, more or less ventricose, closed all aroun
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