A ST ARTE. 119 



ties, l)ut in this variety particularly, strongly reminds one of the 

 termination of the recurved, round-pointed table or fruit knife. The 

 foot of the animal has the same vermilion color ; and, on the whole, 

 this nuist be regarded as merely a variety. The proportions of the 

 most elevated specimen figured by Colonel Totten are : length, four 

 fifths of an inch ; height, one inch ; width, one fourth of an inch. 



Astarte sulcata. 



Fig. 46. 



Shell ovate-triangular, the surfoce with deep, concentric farrows and ribs, van- 

 ishing at the extremities; bealcs prominent; lunule and corselet long, narrow, 

 and deeply excavated. 



Pectuncidus sidcatns, Da Costa, Brit. Conch. 192 (1778). 

 Venus sulcata, MoNTAGU, Test. Brit. 1.31 (18U.3). — Pexxant, Brit. Zool. iv. 203. — 



Maton and Rackett, Lhi. Trans, viii. 81, pi. 2, tig-. 1. — Dillwyn, Catal. i. 167. 



— TuRTOX, Conch. Diet. 23"). 

 Astarte sulcata, Fleji. Brit. Anira. 439. — Reeve, Elem. Conch, ii. 114, fi<,^ 186. — 



Adams, Gen. ii. 483, pi. 115, tig. 6. — Db Kav, Nat. Hist. New York, 221, pi. 28, 

 . fig. 281. — Forbes and IIanley, Brit. Moll. i. 452, pi. 30, figs. 5, 6 ; pi. 1.33, fig. 4; 



pi. M, fig. 5 (animal). — Sowerbv, Thes. Conch, ii. 778, pi. 167, figs. 1,2,3. — 



Philippi, Ahbikl. ii. 56 (Astarte), t. 1, fig. 4. — Gray, Brit. Mus. Cat. (Mollusca) 91. 

 Venus Danmonia, Montagu, Test. Brit. Suppl. 45, t. 29, fig. 4 (1808). — Pennant, Brit. 



Zool. iv. 212. — Wood, Index, pi. 7, fig. 21.— Dillwyn, Catal. 167. 

 Venus Danmoniensis, Blainv. Malaeol. 557, pi. 75, fig. 7. 

 Crassina sulcata, Tukton, Brit. Biv. 131, pi. 11, figs. 1, 2. 

 Crasslna Danmoniensis, Lam. An. sans Vert. 2d ed. vi. 257. — Deshayes, Encjc. Me'th. 



Vers, i. 77. — Ciiexu, Man. de Concli. ii. 130, fig. 616. 

 Astarte Danmoniensis, Sowerby, Genera, figs. 1-3; Conch. Man. fig. 110. — Totten, 



Sillinian's Journ. xxviii. 349, fig. 3. — Loven, Ind. Moh. 36, 272. — Flem. Br. An. 



440. — Reeve, Conch. Syst. t. 66, figs. 1 -3. 

 Venus Scotica, Montagu, Test. Brit. Suppl. 44 (the young). — Maton and Rackett, 



Lin. Trans, viii. 81, pi. 2, fio-. 3. — Tukton, Conch. Diet. 236. — Wood, Index, pi. 



7, fig. 20. — Lam. 2d ed. vi. 360. 

 Astarte Scotica, Flem. Br. An. 44. — Loven, Ind. Moll. Scand. 36. — Philippi, Abbild. 



ii. 56 (Astarte), t. 1, fig. 3. 

 Crassina Scotica, Leach, in Ross's Voy. 175. — Turt. Br. Biv. 130, pi. 11, fiirs. 3, 4. — 



Brown, 111. pi. 18, fig. 9; 2d ed. 95, pi. 38, fig. 9. — Hanley, Recent Shells, i. 87. 



Shell sub-orbicular, in some specimens approaching to ovate, in 

 others to triangular, thick and strong, somewhat compressed ; in- 

 equipartite, the anterior slope shortest and concave, bearing a long, 

 lanceolate, deeply excavated, smooth lunule ; posterior slope a 

 straight line, usually rounded, but sometimes a little truncated at 

 the hinder end, and including a very long, triangularly excavated 

 corselet ; beaks moderately elevated, pointed, and coming in con- 

 tact ; surface undulated with ten to twenty strongly developed con- 



