WORMS. TESTACEA. 59. Cardium. 



199 



r*fa 



ona, 



Shell white tranfverfely ftriate, orbicular, angular on the 

 fore-part : hinge without lateral teeth, the primary one 

 projecting doubled, in one valve 2. 

 Inhabits India. Chemn, cone, 10. tab, ijo.fig.. 1 651s—! 653, 



59. CARDIUM. Animal a Tethys: Jliell 

 bivalve, nearly equilateral, equivalve, ge^ 

 nerally convex, longitudinally ribbed 

 ftriate or grooved, with a toothed margin.; 

 flings with 2 teeth near the beak, and a 

 larger remote lateral one each fide, each 

 locking into the oppofite. Cockle* 



Costatum, Shell gibbous equivalve, with elevate carinate concave 

 membranaceous" ribs. 

 * Barbut's Shells, tab. %>fg. 7. Major. tef 3 tab. 10^ 



Argerru. Conch, tab. q§. A. Gualt. ted. tab. 72. D. 

 Adanfon Seneg, tab. 18. fg. 2. 

 Lift Conch, tab. 327- Rumpf. Muf. tab, 48. Jig. 6' 

 Column, purp, 26. tab, 27. Knorr. Vergn. I. tab, 28. fg. 22, 

 Chemn. cone. 6. tab. 15. jig. 1-&*-. /$"/ # /ft - 

 Inhabits the African Ocean: 3 inches long, 3 £ broad, and above-- - 

 3 high : whitifh with broad brown grooves. 



CardiJJh, Shell heart-fhaped, the valves comprefled and carinate witk 

 teeth : beaks approximate. 

 Barbut. tab. %. fg. 8. Gualt. teft. tab. 84. fg. E, C, D. 



Lifer Conch, tab. 318. 319. Knorr. Vergn. 1* tab. 2%.fg,z\ 



Rumpf. MuJ.tab. 42. E, Klein- fir. tab. 10. fg. 30. 



Argen<v, Conch, tab 2$."I. Zoomorph.tab. 12. K. 



Bonann. recr. 2. tig. 49, Muf. Kirch, 2. fig. 48. 



Knorr Vergn. i.tab 18 fg. 3. *\ ii.f.i. 



#0™ M»/: Caf Find. tef. tab, 2, fig. 15—18. 



Chemn. cone,. 6. /#£. 14, fg. 143^ — 146. 

 2, Lister Conch, tab. $20. fg. 157. 



Inhabits the Indian Ocean : 2 f- incnes long, and above 2 broad 5 

 refembles the human heart : the ribs are placed obliquely? 

 and before the beaks is a bearufhaped depreiTure or g?pe : 

 generally whitifh with fometimes a few red (pots ; fometimes 

 flat on each fide, fometimes concave on one fide. 



l&Qjeumm Shell heart-fhaped ; the fore-part furrowed with lines, the 

 hind-part with broadS* ltirar, forming by their con-* 

 junction the figure of a heart : one part convex, the 

 ©ther concave. 



AjgenV? 



