CARDITA.— Plate IX. 



Urn costatd, costis leviter serratis ; olivaceo- 



fuscd. 

 The fan Cardita. Shell fan-shaped, radiately ribbed, 



ribs lightly serrated ; olive-brown. 

 Reeve, Pro. Zool. Soc, 1843. 

 Hab. Valparaiso, South America ; Cuming. 



The peculiar fan-shape of this minute species distin- 

 guishes it in an eminent degree from any hitherto de- 

 scribed. 



Species 4S. (Mus. Cuming.) 

 (Figure considerably magnified.) 



Cardita tegulata. Card, testa subfiabelliformi, radia- 

 tim costatd, costis decern vel undecim, prominentibus, 

 subtiliter squamulosis. 



The tiled Cardita. Shell somewhat fan-shaped, ra- 

 diately ribbed, ribs ten or eleven in number, promi- 

 nent, and finely scaled. 



Reeve, Pro. Zool. Soc, 1843. 



Hab. Valparaiso, South America (dredged from the 

 depth of twenty-five fathoms) ; Cuming. 



The sculpture of tins shell reminds one of a tiled roof. 



Species 49. (Fig. a, b and c, Mus. Cuming.) 

 (Figures considerably magnified.) 

 Cardita Cardioides. Card, testa globosd, Cardiiformi, 

 radiatim costatd, costis rotundatis, irregulariter no- 

 dulosis, intei-stitiis subprofunde incisis ; albidd vel 

 aurantid, strigis aurantiis latis, transversis, vivide 

 ornatd. 



The Cardium-like Cardita. Shell globose, Cardiui 

 shaped, radiately ribbed, ribs rounded, irregular 

 nodulous, interstices rather deeply cut ; whitish 

 orange, vividly marked across with broad oran; 

 streaks. 



Reeve, Pro. Zool. Soc, 1843. 



Hab. Islands of Corrigidor and Luzon, Philippic 

 (dredged from coarse sand at the depth of sev< 

 fathoms) ; Cuming. 



A very pretty, round, solid species, looking more lil 

 a Cardium externally than a Cardita. 



Species 50. (Mus. Brit.) 

 (Figure considerably magnified.) 



Cardita fabula. Card, testa oblongo-ovatd, late; 

 postico latiore, radiatim costatd, costis subangulatis 

 albd, fusco sparsim maculatd ; intus albd, posti, 

 fusco-tinctd. 



The little bea.v Cardita. Shell oblong-ovate, po! 

 terior side the wider, radiately ribbed, ribs some 

 what angular; white, lightly spotted here an 

 there with brown ; interior white, stained wit 

 brown at the posterior end. 



Reeve, Pro. Zool. Soc, 1843. 



Hab. Island of Alboran. 



The locality above-mentioned is attached in manu 

 script to a number of specimens of this little shell in th 

 British Museum from Mr. Broderip's celebrated col 

 lection. 



