About the Book
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...Hall, Pal. New York, 2, 1852, p. 250, pi. 53, fig. 3. Discina forbeei Nicholson (not Davidson), Pal. Prov. Ontario, 1875, p. 62. Discina solitaria Ringueberg, Amer. Nat., 1882, p. 175, figs. a-e. Discina clara Spencer, Bull. Univ. State Missouri, 1,1884, p. 56; Trans. St. Louis Acad. Sei., 4, 1886, p. 606, pi. 8, fig. 5. Schizotreta tenuilamellata Beeclier, Amer. Jour. Sei., 3d ser., 41, 1891, p. 357, pl. 17, fig. 11.--Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 205. Orbiculoidea (Schizotreta?) tenuilamellata Hall and Clarke, Pal. New York, 8, pt. 1, 1892, pp. 127, 135, pl. 4E, figs. 9-11; pl. 4F, figs. 2-6. Niagaran: Lockport, New York (Lockport); Hamilton, Ontario (Rochester); Arisaig, Nova Scotia (Arisaig). SCHMIDTELLA Ulrich. Genotype: S. crassimarginata Ulrich. Schmidtella Ulrich, Amer. Geol., 10, 1892, p. 269.--Miller, N. A. Geol. Pal., 1st App., 1892, p. 711.--Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 639.--Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 343. Schmidtella afflnis Ulrich. Schmidtella affinis Ulrich, Geol. Minnesota, 3, pt. 2,1894, p. 641, pl. 43, figs. 45-47. Trenton (Prosser): Near Cannon Falls, Minnesota. Cotypes.--Cat. No. 41296, U.S.N.M. Schmidtella brevis Ulrich. Schmidtella brevis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 642, pi. 45, figs. 34, 35. Black River (Decorah): Near Fountain, Minnesota. Eolotype.--Cat. No. 41299, U.S.N.M. Schmidtella crassimarginata Ulrich. Schmidtella crassimarginata Ulrich, Amer. Geol., 10, 1892, p. 269, pl. 9, figs. 27-30.--Miller, N. A. Geol. Pal., 1st App., 1892, p. 711, fig. 1265.--Ulrich, Geol. Minnesota, 3, pt. 2,1894, p. 640, pi. 43, figs. 42-14.--Grabau and Shimer, N. A. Index Fossils, 2,1910, p. 343, figs. 16560-q.--Raymond, Ann. Carnegie Mus., 7, 1911, p. 256, fig. 27. Black ...
