408 VENERID^. 



son) ; Youghal and Bantiy Bay (Humphreys) ; Oban, 

 Loch Carron, Skye (Jeffreys) ; Orkney in twelve fathoms, 

 and Foula eighty fathoms, Copenhavv Head forty fathoms. 

 Cape Wrath fifty to seventy fathoms (M' Andrew) ; the 

 Mull of Galloway from fifty to one hundred and forty-five 

 fathoms (Beechey) ; thirty-five fathoms off the Staples and 

 east coast of Scotland (Thomas). It occurs in the Scan- 

 dinavian seas and more rarely in the Lusitanian, where 

 it -was more common during the newer pliocene epoch. 



The V. casinula of Deshayes (Exp. Moree, p. 101, pi. 

 18, f. 18, 19 ; V. casma, Philippi, Moll. Sicil. vol. ii. p. 

 33) scarcely differs from our variety reflexa ; its shape, 

 however, is more elongated, its front dorsal slope is lon- 

 ger in proportion, and its lamellaj in general are more 

 closely disposed. 



V. STRiATULA, Donovau. 



Triangular-heart-shaped ; if coloured, painted with delicate 

 zigzag lines : sulcated or costellated ( if lamellar, the shape elon- 

 gated) : hinder dorsal area flexuously lineated. 



Plate XXIII. f5g. 4, Plate XXIV. fig. 4, and Plate XXVI. figs. 9, 10, 11. 



List. Hist. Conch, pi. 282, f. 120. 

 Pedunculus striaiulus. Da Costa, Brit. Conch, p. 191, pi. 12, f. 2. 

 Venus casina, (not of Linn.) Pultenev, Hutchins, Hist. Dorset, p. 33. 

 „ siriatida, Donovan, British Shells, vol. ii. pi. 68. — Mont. Test. Brit. p. 



113.— LoVEN, Ind. Moll. Skandin. p. 39. 

 Venus galUna, Maton and Rackett, Linn. Trans, vol. viii, p. 82. — Dorset 



Catalog, p. 35, pi. 8, f. 2 — Turt. Conch. Diction, p. 234, f. 



65 (execrably) ; Dithyra Brit. p. 149, pi. 9, f. 2. — Flem. 



Brit. Anim. p. 448. — Macgilliv. Moll. Aberd. p. 265. — 



Brit. Marine Conch, p. 89.— Brown, 111. Conch. G. B. p. 89, 



pi. 36, f. 11. — Alder, Northumb, and Durham MoUus. p. 85. 



— DiLi-w. Recent Shells, p. 168. — Lam. Anim. s. Vert. (ed. 



Desh.) vol. vi. p. 347 (in part). — Index Testaceolog. pi. 7, f. 



23.— Hanl. Recent Shells, p. 115. 



