. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. Fig. 1/.—Interior of the dorsal valve with the animal: o. the orange-coloured ovaries. Fig. 18.—Ditto showing the loop : c. oral processes ; /. foramen. 1. Morrisia anomioides. Shell minute, circular, depressed, smooth, olive-green, trans- lucent ; foramen large and round, encroaching equally on both valves ; area of ventral valve chiefly occupied by the foramen ; deltidia rudimentary ; dorsal valve deeply notched at the umbo ; loop consisting of two simple plates {crura) attached to the
. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. Fig. 1/.—Interior of the dorsal valve with the animal: o. the orange-coloured ovaries. Fig. 18.—Ditto showing the loop : c. oral processes ; /. foramen. 1. Morrisia anomioides. Shell minute, circular, depressed, smooth, olive-green, trans- lucent ; foramen large and round, encroaching equally on both valves ; area of ventral valve chiefly occupied by the foramen ; deltidia rudimentary ; dorsal valve deeply notched at the umbo ; loop consisting of two simple plates {crura) attached to the sides of the umbonal notch, and to a centi'al, bifiu'cated process. Lou. 1, lat. U, alt. i line (lat. 3 lines, Forbes) (figs. 17, 18). Terebratula anomioides, Scacchi. Philippi, Moll. Sicil. ii. p. 69. t. 18. f. 9, 1844. Terebratula appressa, Forbes, 1844, Brit. Assoc. Report on Egeaii Moll. p. 167, 193 (read 1843). Morrisia seminulum, Dav. Ann. Nat. Hist. 1852, p. 371 (not Ter. seminulum, Phil.). Morrisia anomioides, Dav. 1852, Proc. Zool. Soc. p. pi. f. 29. Hab. Mediterranean, at 95 fathoms. 2. Morrisia lunifera. Shell minute, subcordate, compressed, front margin slightly indented ; area moderate ; internal skeleton consisting of a semi- lunar plate in the centre of the dorsal valve. Lon. and lat. H line. Terebratula lunifera, Philippi, 1836, Moll. Sicil. i. p. 97. t. 6. f. 16 (not Sow.). Orthis lunifera, Philippi, Moll. Sicil. ii. p. 69. Argiope Forbesii (syn.), Dav. Ann. Nat. Hist. May 1852, p. 373. Hab. 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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