. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. CnoNKTES, Sp., showin;^ the spines. 6. Craiiiailte.—Shell rounded, hingeless, usually attached by the ventral valve. Dorsal valve shaped like a hmpet. Tvccent and fossil. Example.—Crania. (Fig. 117.) h'Uj 117. 0 ^Wi Crania Acadiknsis, Hall,—U. Silurian, Ventral valve, nat. size and mag. 7. nfsciuiclic.—Resembling Crania, but at- tached by a peduncle passing through a foramen in the ventral valve. Recent and fossil. Examples. —Discina, Trematis. (Figs. 118
. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. CnoNKTES, Sp., showin;^ the spines. 6. Craiiiailte.—Shell rounded, hingeless, usually attached by the ventral valve. Dorsal valve shaped like a hmpet. Tvccent and fossil. Example.—Crania. (Fig. 117.) h'Uj 117. 0 ^Wi Crania Acadiknsis, Hall,—U. Silurian, Ventral valve, nat. size and mag. 7. nfsciuiclic.—Resembling Crania, but at- tached by a peduncle passing through a foramen in the ventral valve. Recent and fossil. Examples. —Discina, Trematis. (Figs. 118,119.) Fhj. 118. Fig. ll' Discina oiroe, Billings,—L. Silurian. D. AcADiAE, Hartt,—Primordial. 8. liiiigiilidte.—Shell sub-equivalve with a long peduncle passing between the valves. Texture horny, minutely tubular. Material, phosphate of. 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 Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1870
