. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. UKACUIOI'ODA. Botichardia tulipa. 101. Fip. 13.—Interior of dorsal valve: 7. cardinal process ; p. hinge-plate; /.loop; s. septum. Fiff. U.—Interior of ventral valve: /. foramen; t. teeth; a, adductor scar: p. peduncle scars ; r. retractor scars. The great muscular imjjressions in Prnducta, which correspond to these retractor scai's, have been mistaken for points of attach- ment of the peduncle. 1. BOUCHARDIA TULIPA. Shell oblon<;-oval, rather depressed, thick, smootli, pale rose-
. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. UKACUIOI'ODA. Botichardia tulipa. 101. Fip. 13.—Interior of dorsal valve: 7. cardinal process ; p. hinge-plate; /.loop; s. septum. Fiff. U.—Interior of ventral valve: /. foramen; t. teeth; a, adductor scar: p. peduncle scars ; r. retractor scars. The great muscular imjjressions in Prnducta, which correspond to these retractor scai's, have been mistaken for points of attach- ment of the peduncle. 1. BOUCHARDIA TULIPA. Shell oblon<;-oval, rather depressed, thick, smootli, pale rose- red, with darker rays; margins even; beak rather produced, straight; perforation very small, entire ; hinge-area rather wide ; deltidia united; dorsal valve oval, ilattish; cardinal fulcrum (figs. 13, 14). Tcrebratula tulipa, Blaitw. Diet. Sci. Nat. liii. 144, 1828. Terebratula rosea, Mcnve, Introd. Conch, t. f. Sow. Gen. f. 4 ; Thes. Conch, vii. p. ,357. t. /I. f. 74-77. Desk, in Lamk. Hist. ed. 2. vii. p. 350. Kinr/, Ann. Sf Mag. N. H. xviii. 34. .38. 1846. Pach}Th} uchus roscus, King, Permian Fossils, p. 70. Bouchardia rosea, Davidson, Bull. Soc. Gtol. France, 1849, pi 1 f. 1-(k ^ King, Permian Fossils, p. 81. Hab. Brazil (Rio, 13 fathoms, J. M'Gillivray). 7*. WALTONIA? Shell oval, smooth, punctate; valves convex; margins si- nuated ; beak truncated by a large, incomplete foramen ; deltidia separate; loop reduced to two simple lamella', furnished with oral processes, and attached to a prominent central septum. Waltonia (Valenciennii), Dav. 1850, Ann. Nat. Hist. v. p. 475 • 1852, p. 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 British Museum (Natural History). Dept. of Zoology; Gray, John Edward, 1800-1875. London Printed by order of the Trustees
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