ASTARTE.— Plate I. 



Costa (Pectunculus). Brit. Concli., p. 192. 

 Cras^na Danmoniengis, Lamarck. 

 Crassina Scotica, Turton. 

 Venus crassalella, Blainville. 

 ffab. Northern British Seas. 



The normal form ,of this species is angular and 

 truncated, but in some varieties this peculiarity is lost, 

 and the dorsal line is sloped. The variety named 

 Scotica sometimes occurs smooth on tlie inner edge. 



Species 4. (Mus. Brit.) 



AsTARTE ELLIPTICA. Ast. testd comprcssd, ohhngo-ovatd ; 

 latere postico prodticto, ad terminum sultruncato ; 

 sulcis concentricis medio et infra obsoletis ; wnhoni- 

 hus acuminatis ; manjine postico-dorsali leviter 

 declivi. 



The ELLIPTIC AsTARTE. Shell compressed, oblong- 

 ovate ; posterior side produced, rather truncated 

 posteriorly; concentric grooves obsolete in the 

 middle and under ; umboes acuminated ; posterior 

 dorsal margin gently sloped. 



Brown. Illus. Conch., p. 96, PI. XXXVIII. f. 3. 



Astarte semisulcata, MuUer, not Leach. 



Crassina sulcata, Nilson. 



Crassina ovata, Brown. 



Hab. Northern Europe. 



Species 5. (Mus. Brit.) 



Astarte sub^quilatera. Ast. testd ovatd, compressd; 

 latere aiitico panld brevlori, declivi ; umbonibus 

 obtusis, haud prominentibus ; latere postico sub- 

 angulato, ad terminum subtnincato ; manjine 

 ventrali convexo ; rujis concentricis crebris, ad 

 laira subevanidis. 



The subeqhilateral Astarte. Shell ovate, com- 

 pressed ; anterior side a little shorter, sloped ; 

 umboes obtuse, not prominent ; poster 



rather angular, rather truncated at the end ; 

 ventral margin convex ; concentric wrinkles 

 crowded, somewhat evanescent at the sides. 



SowERBY. Thesaurus Conchyliorum, Astaite, No. 6. 



Hab. Newfoundland. 



The umboes in this species are obtuse, and more 



nearly central than in most others. 



side 



Species 6. (Mus. Sowerby.) 



Astarte abbreviata. Ast. testd parvd, crassissimd, 

 suborbiculari, altd, brevi, crebri et cequaliter sul- 

 catd ; latere antico brevissimo, valde declivi ; latere 

 postico sitbquadrato ; umbonibus elevatis, rotundis, 

 margine dorsali declivi, margine interna IcBvi. 



The abbreviated Astarte. Shell small, very thick, 

 suborbicular, elevated, short, finely and equally 

 grooved ; anterior side very short, much sloped ; 

 posterior side subquadrate ; umboes elevated, 

 rounded, dorsal margin sloped, inner margin 

 smooth. 



Sowerby. 



Hab. ? 



Species 7. (Mus. Brit.) 



Astarte Banksii. Ast. testd tnmidd, suborbiculatd, 

 altd; crebei-rime sulcata ; umbonibus elevatis ; latere 

 antico prope umbones excavato, versits marginem 

 ventralem producto, rotundato ; latere postico ante 

 angidum vix conspicuum posticum subdepresso ; 

 margine dorsali convexo declivi. 



Banks's Astarte. Shell tumid, suborbicular, ele- 

 vated ; very closely grooved ; umboes raised ; 

 anterior side excavated near the umboes, pro- 

 duced towards the ventral margin, rounded ; 

 posterior side a little depressed in front of a 

 scarcely perceptible posterior angle ; dorsal margin 

 convexly sloped. 



Leach. Boss's Voyage, Appendix. 



Astarte jmlcliella, Jonas. 



Hab. Greenland. 



