. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. nnArinoi'ODA. S7 Tip. 8. Dorsal valve of Tcrcbrutrlla 1. Terebratella dorsata. Shell broadly ovate, somewhat trilobed, whitish, radiatdy ritliTt'd. tht' hiti'ial rid<rt's more ohhque than tlie mesial; margins denticulate ; dorsal valve with a broad and shallow central de- pression ; beak short; foramen very lar^e, incomi)lete ; deltidia small, triangular, separate; hinge-area large, rather flattened; loop elongated, reflected, attached to a central septum. Lon. 14, lat.
. Catalogue of the Mollusca in the collection of the British Museum. Mollusks -- Catalogs and collections. nnArinoi'ODA. S7 Tip. 8. Dorsal valve of Tcrcbrutrlla 1. Terebratella dorsata. Shell broadly ovate, somewhat trilobed, whitish, radiatdy ritliTt'd. tht' hiti'ial rid<rt's more ohhque than tlie mesial; margins denticulate ; dorsal valve with a broad and shallow central de- pression ; beak short; foramen very lar^e, incomi)lete ; deltidia small, triangular, separate; hinge-area large, rather flattened; loop elongated, reflected, attached to a central septum. Lon. 14, lat. 14, alt. 6 hues. Anomia dorsata, Gmelin, 1788, S. N. 3348. milwyn, R. S. i. p. 295. Anomia striata Magellanica, Chemnitz, Conch. Cab. viii. p. 101. t. 78. f. 710, 711. Terebratula, Lamk. E. M. t. 242. f. 1. D'Avila, i. t. 20. f. A. Da Costa, Elem. t. 6. f. 7. Terebratula dorsata, Schitin. N. S. p. 133. Lamk. Hist. ed. 2. vii. p. 331. Blauw. Man. Maluc. t. 51. f. 1 ; D. S. N. liii. p. 137,145. Sow. Gen. Shells, f. 3; Thes. Conch, viii. p. 346. t. 68. f. 15, 16, 17. Kilsfer, Conch. Cab. vii. p. 22. t. 1. f. 17; t. 2. f. 14, 15. Delth^Tis dorsata, Menke, Syn. ed. 2. p. 96. Hab. Straits of Magellan. 2. Terebratella flexuosa. Shell wider than long, somewhat pentagonal, rather gibbous, pale brown, with prominent, l)ifurcating, radiated ridges; mar- gins sinuated and denticulated ; dorsal valve with a broad, indi- stinct mesial groove ; ventral valve with a short beak and a wide, flattened hinge-area; foramen large, incomplete; deltidia small, separate; loop elongated, doubly attached. Lou. 15, lat. 16 lines. Terebratula flexuosa, Kint/, Zool. Jovrn. v. p. 337. G. B. Sow. Thes. Conch, vii. p. 347. t. 69. f. 23, 24. Hab. Straits 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 British Museum (Natur
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