TRIBE CONCHACEA. 101 



Variety. (Zool. P. 183 5. — C. Lupinaria. Lesson.) Pale, the 

 anterior slope and lunule violet ; with concentric lines which pos- 

 teriorly are lamellar, and elsewhere rounded and irregular ; spines 

 very long and distant. — Variety. C. Violet, smooth, except at 

 the umbones and posterior side which are somewhat lamellated ; 

 spines very distant, thickish, moderate in length. — W. Indies and 

 S. America. 



C. Arabica. Lam. 40. — Del. t. 9. f. 4. — V. Pectunculus. 

 B p. 184.— W. t. 7. f. 5S.— Ch.f. 1963. to 70.— V. Callypiga. 

 Born. t. 5. /. 1. {fide Beshayes)—B. p. 186. — T^. t. 8. /. 63. 

 Obovate heart-shaped, very convex, thick, inequilateral, grooved 

 transversely, (the grooves often becoming obsolete in the centre,) 

 extremely variable in colouring, being covered with brown angular 

 markings on a pale ground, and sometimes with rays of spots on a 

 paler ground ; lunule lanceolate, ill-defined. — Variety. Brown 

 with scattered white spots. 1. — Bed Sea. 



C. Trimaculata. Lam. 41. — An. Venus Phrvne. Gmel. 

 no. 21. ? Somewhat rounded heart-shaped, the ventral edge much 

 arcuated, with strong concentric striee, rayed with rich brown and 

 white ; lunule and lozenge dark brown, the latter sub- cordiform oval, 

 ill-defined : inside white, with a livid brown stain on each muscular 

 scar and beneath the beaks 1. — Indian Seas? 



C. Immaculata. Lam. 42. Rounded heart-shaped, anterior 

 end the shorter and more tumid, white within and without, and 

 striated transversely; lunule somewhat heart shaped. 1£. — Bears 

 some resemblance to List. t. 263./. 99. (W. t. 6.f II.) 3 



C. Pellucida. Lam. 43. Oval, thin, pellucid, white with 

 transverse fulvous letter-like lines ; beaks rufous and obliquely in- 

 flected : a violet spot at the base of its lunule. 1J. — Nen) Holland. 



C. Hepatica. Lam. 44. — Bel. t. 9.f 8. Obliquely rounded, 

 inequilateral, delicately striated transversely, and marked longitu- 

 dinally with minute lineoles : whitish within and without, with 

 livid violet stains : lunule almost obsolete. ^-J. — South Seas. 



C. Lucinalis. Lam. 45.— Bel. t. 9. J'. 2. Lenticular, sub- 

 equilateral, inflected with a longitudinal groove on the anterior 

 side, with raised concentric striae and minute uninterrupted longi- 

 tudinal lineoles, very pale violet and rufous at the beaks : lunule 

 defined by an impressed line : livid within. 1-J. 



C. Lunaris. Lam. 46. —Venus Lupinus. Poll. 2. t. 21. 

 f. 8. — Payr. Cat. no. 80. Sub-orbicular, oblique, white, with con- 

 centric transverse striae ; beaks stained with purple ; lunule heart- 

 shaped J-£. — Gulf of Tarrentum.* 



3 We have not recognized this species, but give a copy of the 

 shell said by Lamarc to resemble it. 



4 Philippi considers this as a variety of Lincta. 



