CARDIUM. 



Plate XXII. 



(Figures moderately magnified.) 



Species 124. (Must. Cuming.) 

 CARDIUM RUBRum. Card, testa ijlnboso-cordatd postice 



leviter auijnlatd ; radiatim enstutu, coslis convexis, hie 



illic muricatis; rosed, subpellucidd. 

 The red Cockle. Shell globosely cordate, posteriorly 



slightly angulated ; radiately ribbed, ribs convex, here 



and there prickly ; rose-colour, somewhat transparent. 

 Montagu, Testacea Britannica, p. 83. 

 Hab. Britain. 



A small, transparent, rose-coloured shell, furnished bere 

 and there with a few prickles. 



Species 125. (Mus. Cuming.) 

 M munduji. Card, testa trirjono-eordatd, ijibbosa, 

 ,,luuo-depressd, radiuli,,/ p/aui/iratd, /iris me- 

 dimiis a/iticisque minute muricatis ; alba, area posticd 

 maculis albis qpacis floccatd. 

 The neat Cockle. Shell triangularly cordate, gibbous, 

 posteriorly flatly depressed, radiately flatly ridged, 

 middle and anterior ridges minutely muricated ; white, 

 posterior area flaked with opake white spots. 

 Reeve, Pro. Zool. Soc, 1845. 



Hah. Lord Hood's Island, Pacific Ocean (found among 

 coral sand); Cuming. 

 A neat little species, allied in form to the Cardium fra- 

 gum, of which several specimens were collected by Mr. 

 Cumins; at the above named island. 



Species 126. (Mus. Cuming.) 

 Caedium ovuloides. Card, testa oblongo-ovatd, rulde 

 i/ibbosd, radiulim cost at a, coslis ad m plants, ,,/cdiauis 



anticisque grandibus, fortibus, noduloso-granatis, inter- 



stitiis traiisrcrsii,/- imjiresso-.s/riutis, coslis posticis 

 ai/i/ustis, Ircvibas jduitatis ; iiilus c.rtusi/ue luteseti/fe- 

 al'bd. 



The little egg-like Cockle. Shell oblong-ovate, very 

 gibbous, radiately ribbed, ribs about seventeen in 

 number, the middle and anterior large, strong, nodu- 

 lously granulated, interstices transversely impressly 

 striated, posterior ribs narrow, smooth, flattened; 

 yellowish white within and without. 



Reeve, Pro. Zool. Soc., 1845. 



Hah. ? 



This little species exhibits the form of the Cardium obo- 



rate with the sculpture of the Cardium grai <■ 



Species 127. (Mus. Cuming.) 

 Cardium Cardit.eforme. Card, testa transverse ob/ou- 



i/d, latere ttutien I,,; ri.\ximo : \ub!iliti-r rndiulim ai\'u/d 



ens/is minutissime crebrisquamatk, squamis \ 

 nentioribas ; albidd, postiee aurantio-fuscescente tincta. 



The Cardita-siiaped Cockle. Shell transverselj ob- 

 long, anterior side very short ; finely radiately ribbed, 

 ribs covered with very minute scales, the posterior of 

 which arc the more eminent; white, faintly tinged 

 posteriorly with orange-brown. 



Reeve, Pro. Zool. Soc., 1S45. 



Hob. ? 



A small thin shell, partaking very much of thechai 



of Cardita, although it has the binge of Cardium. 



Species 12S. (Mus. Cuming.) 



Cardium nodosum. Card, testa orbicular! , depn <- 



postice subangulatd ; radiuli, u enstutu, ruslis qaiuis 

 seuisre if ciijiuli, conspieue ob/aso-iwdosis ; albidd. 



The nodose Cockle. Shell orbicular, rather depressed, 

 posteriorly slightly angulated ; radiately ribbed, ribs 

 five or six and twenty in number, conspicuously ob- 

 tusely noduled ; whitish. 



Montagu, Testacea Britannica, p. 81. 



Hub. Torbay, Britain ; Turton. 



Each rib is surmounted with a row of small blunt nodule-. 



Species 129. (Mus. Cuming.) 

 Cardium uuadrarium. Card, testa tenui, qua • 



pnstice leriler eiaicavo-aetijulald ',- radiuli,,, < 

 lis plaiiulalis, eebinu/ti-xij/aimu/is, stju.u,,,, 

 liar mu/icis, a •■/ ■ , 



albidd, an iineo-J 



TnE square Cockle. SheD thin, squarely ovate, pos- 

 teriorly slightly concaveh angulated ; radiatelj ribbed, 

 ribs flattened, here and there prickly scaled, those of 

 the posterior area smooth, interstices between the ribs 

 rather deeply cut ; whitish, the concave posterior area 

 pale rusty brown. 



