Zoological Society. 507 



Var. testa ad latus 'posticum ruhro t'mctd. 

 Hab. ad insulam Ceylon. 



A pretty little species, differing from C buUatum in the strongly 

 toothed posterior margin. 



Cakdium SiCTjLtJM, Conch. Illustr. f. 31. Card, testa tenui, suh- 

 quadratd, ventricosd, antice angustd, liostlce lata, suhangulatd ; 

 alba, fusco maculatd ; costis manerosis, planulatis, 5 anticis cre- 

 nidatis ; interstitlis angustis. 



Long. 0-50; lat. 0-40; alt. 0-45 poll. 



Hab. ad mare Siculum. 



Cardium Arcticvji, Conch. Illustr. f. 26. Card, testa ovali com- 

 pressd, subcequilaterali ; costis 27, angulatis, subcrenulatis ; ejn- 

 dermide crassd, olivaceo-fuscd, ad umbones estate erosd ; liga- 

 mento elongato ; cardine dentibus centralibus ohsoletis, lateribus 

 dlstaniibus. 



Long, lob; lat. O'DO; alt. 1-4U poll. 



Hab. ad mare Arcticnm. 



Differing from C. GrUenlandicum, in having ribs, and from C. Ice- 

 landicum, in being less ventricose and in the ribs being angular. 



Cardium paucicostatum. Conch. Illustr. f. 20. Card, testa ro- 

 tundatd, ventricosd, subcequilaterali, tenui ; albido-Jlavicante, 

 fusco undatd ; costis 16, planulatis, Icevibus, distantibus, tubercu- 

 lis acutis in medio armatis ; inter stitiis plamdutis. 

 Long. 1-30; alt. 1-30; lat. 1 poll. 

 Hab. ad mare Adriaticum (Malta). 



This species differs from C. echinatum in being comparatively 

 smooth, and having very few ribs, with wide interstices. 



Cardiuji multispinosuji, Conch. Illustr. f. 38, 38 a. Card, testa 

 rotundatd, veniricoid, tenui, postice paulo hiante, p)Gllide fulvd, 

 admargiaes rosed, intiis alba ; costis 33 Icevibus, utrinque angu- 

 latis ; spinis numerosis, acutis ; interstitiis granulatis, ad mar- 

 ginem elongatis ; margine dorsali tumidd. 

 Long. 2-10; lat. 1-70; alt. 2-20 poll. 



Hab. ad insulam Mindanao, Philippinarum. H. Cuming legit. 

 In shape and general appearance, this beautiful shell resembles 

 C. Asiaticuni, from which, however, it differs widely, in having 

 small spines on the ribs instead of the fringe. Found in sandy mud, 

 at 25 fathoms. 



Cardium exasperatum. Conch. Illustr. f. 37. Card, testd ventri- 

 cosd, rotundato-subquadratd, albd, ad margines roseO'tinctd ; te- 

 nuiter sulcatd ; inter sulcos spinis numerosis acutis ornatd. 



Long. 1- ; lat. 070; alt. 0-95 \)o\\. 



Hab. ad oras Australiae (Swan River). 



An extremely delicate and beautifully wrought shell, and quite 

 distinct from others of the group to which it belongs. 



Cardium variegatum, Conch. Illustr. f. 57. Card, testd ovali, 

 subventricosd, rosed, aurantiaco, ruhro-fusco-albo-que maculatd ; 

 costis 48, quarum anticis rotundatis, crenulatis ; posterioribus 



