. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Pio. 821.—Eopteria richardsoni. typica, Billings, 1865, Pal. Fobs., vol. 1, p. 221, Quebec Gr. Euchasma, Billings, 1865, Pal. Foso., vol. I, f). 360. [Ety. eu, well; chatma, a hol- ow.] Strongly convex, triangular, in- equilateral, e(juivalve snbcordiforrn, gaping, posteror ex'uemity flattened, ninee short, li({ament external. Tvpe E. blumenbachi. blumenbachi, Billings, 1859, (Concxar- dium blumenbachi,) Can. Nat.
. North American geology and palaeontology for the use of amateurs, students, and scientists [microform]. Paleontology; Paleontology; Geology; Paléontologie; Paléontologie; Géologie. Pio. 821.—Eopteria richardsoni. typica, Billings, 1865, Pal. Fobs., vol. 1, p. 221, Quebec Gr. Euchasma, Billings, 1865, Pal. Foso., vol. I, f). 360. [Ety. eu, well; chatma, a hol- ow.] Strongly convex, triangular, in- equilateral, e(juivalve snbcordiforrn, gaping, posteror ex'uemity flattened, ninee short, li({ament external. Tvpe E. blumenbachi. blumenbachi, Billings, 1859, (Concxar- dium blumenbachi,) Can. (no., vol. 4, p. 350, Quebec Gr. EncHONDRiA, Meek, 1874, Am. Jour. Sci., 3d se- ries, vol. 7, p. 445. Like AvicuMjpecten in form, but with an un- sym metrical subrostral cartilage pit and un- equal crenulation the two sides. Type lecta. crenulations on *"c "oiuiria. E. neglecta. neglecta, Geinitz, mBSD ... ""'s- Ri«lu valve enliiiKeU 188B *'^° dluiiieleis. (Pectt-n neglec- tus,) Carb. und Dyas in Neb., p. p. 33, and Geo. Sur. III., vol. 5, p. 589, Coal Moiis. for Pseudo- see Pseudomonotis F:q. K23. — Euchoudrla ne^^lecta. Hluge-Iine enlarged. Eumicrotus, Meek, 1864, syn. monotis. hawni, see Pseudomonotis hawni. hawni var, ovata, see Pseudomonotis hawni var. ovata. hawni var. $inuala, hawni var. sinuata. EUTHYDESMA, Hall, 1885, Pal. N. Y , vol. 5, p. 32. [Ety. enthus, straight; desmn, a ligament.] Equivalve, in- eq u ilateral, broadlysubovate, with a subalate Fiq. 824- cardinal expan-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Miller, S. A. (Samuel Almond), 1836-1897. Cincinnati : [s. n. ]
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Keywords: ., boo, bookcentury1800, booksubjectgeology, booksubjectpaleontology
