226 ANATINID^. 



preceding-, but the shell is rather broader in proportion, 

 from its more abbreviated shape. 



The animal, according to Mr. Clark, is in every respect 

 similar to that of T. pJiaseolina. It is occasionally taken 

 in deep water upon the Northumbrian coast (Alder) ; at 

 Exmouth (Clark) ; and in Cornwall (Alder) : Swansea, 

 Bantry bay, Ross- shire, and Lerwick (Jeffreys). It is not 

 uncommon on the west coast of Scotland (Alder), where it 

 was first discovered and named by Professor Macgillivray. 



T. PuBEscENs, Pulteney. 



Oval-oblong, biangulated behind, of a pale sand colour, never 

 pure white, devoid of all lustre, scabrous : sides equal or very 

 nearly so ; hinder dorsal edge moderately sloping : hinge-plate, 

 notched in front. 



Plate XVI. figs. 2, 3. 



? ^[ya declivis. Pennant, Brit. Zool. ed. 4, vol. iv. p. 7.0. 



Ali/a pubcsce?is, Pulteney in Hutchins's Dorset, p. 27. — Mont. Test. Brit. p. 



40, and Suppl. p. 166 (chiofly). — Turt. Conch. Diction, p. 



99, f. 35. 



„ declivis, Do.nov. Brit. Shells, vol. iii. pi. 82. — Linn. Trans, vol. viii. p. 36. 



— Dorset Catal. p. 28, pi. 4, f. 6. — Wood, General Conch, p. 



93, pi. 18, f. ], 2.— DiLLW. Recent Shells, vol. i. p. 43 (not 



variety). 



Anaiina Myalls, Lam. Anim. s. Vert. (ed. Desh.) vol. vi. p. 80. — Crouch, Introd. 



Conch, pi. 4, f. 1. — Deless. Recueil Coquilles, pi. 3, f. 3. 

 Anaiina pidtescens, Turt. Dithyra Brit. p. 45. — Brit. Marine Conch, p. 41. 

 Thracia pubescens, Kiener, Coq. Viv. Thracia, p. 5, pi. 2, f. 2. — Storer, trans- 

 lat. Kien. Thracia, p. 5. — Couthguv, Boston J. Nat. 

 Hist. vol. ii. p. 135. — Desh. Encyclop. Method. Vers, vol. 

 iii. p. 1039 — Exp. Moree Zool. p. 07, 3rd scr. pi. 18, f. 1, 

 2. — Hanl. Recent Shells, p. 21, 

 AmpMdesma ptthescejis, Flem. Brit. Anim. p. 431. 

 Thracia declivis. Brown, 111. Conch. G. B. p. 109, pi. 44, f. 5. 



It is by no means improbable that Pennant's M?/a 

 declivis was identical with this species ; at least, Montagu 

 declares that the Portland specimen, the traditional type of 



