101 



bus, longitudinaliter striatis, apice squamosis, alteris convexis, 



squamis majoribus armatis ; valvis albis, atro-fusco irregulariter 



maculatis prcBcipue in latere postico. 

 Var. /3. Testa majore, compressiuscula, costis in medio et postice 



castaneo-fuscis, linea albicante separatis. 

 Hab. Port Cunningham and Sydney, Australia. Coll. Cuming. 



6. Cardita Gunnii, Desli. C. testa cordata, inflata, minima, 

 alba, suborbiculari, longitudinaliter costata, costis sexdecim, in- 

 ccqualibus, posticis angustis, nodose squamosis ; umbonibus promi- 

 nentibus, acutis, recurvis ; lunula depressa, cordiformi. 



Hab. Van Diemen's Land. Coll. Cuming. 



7. Cardita elegantula, Desh. (PI. XVII. fig. 6, 7.) C. testa 

 orbiculato-globosa, cordiformi, alba, fitsco pallido maculata, lon- 

 gitudinaliter tenue costata, costis 20, elevatis, angustis, squamulis 

 erectis, dilatatis, regularibus exasperatis ; in latere postico costis 

 angustioribus ; lunula magna, cordata, Icevigata, explanata ; um- 

 bonibus tumidis, suboppositis. 



Hab. Chinese Seas. Coll. Cuming. 



8. Cardita Belcheri, Desh. C. testa ovato-transversa, alba, 

 incequilaterali, turgida, obliqua ; latere antico brevi, postico sub- 

 dilatato ; costis longitudinalibus 18 angustis prominentibus, regu- 

 lariter squamoso-asperatis ; lunula parva, vix fossa plana. 



Hab. Philippines (Cubras). Coll. Cuming. 



9. Cardita Zelandica, Desh. C. testa minima, orbiculato-sub- 

 trigona, depressiuscula, longitudinaliter quatuordecim-costata, sub- 

 (Equilaterali, pallide fusca ; costis regularibus, aliquantisper sub- 

 squamosis, interstitiis cequantibus ; umbonibus minimis, acutis, 

 suboppositis ; lunula parum profunda, fusca, lanceolata. 



Hab. New Zealand. Coll. Cuming. 



10. Cardita Coreensis, Desh. C. testa ovato-transversa, in- 

 cequilaterali, compressiuscula, albo-grisea, longitudinaliter multi- 

 costata ; costis depressis, lineis angustis separatis, 20-2 1 , liris 

 transve)-sis, regularibus, approximatis ornatis, posticis quatuor 

 angustioribus ; lunula elongato-lanceolata, Itevigata, in medio ex- 

 cavata ; cardine brevi ; valvule dextra dente cardinali trigono, 

 pyramidali. 



Hab. Corea. Coll. Cuming 



11. Cardita Jukesi, Desh. (PI. XVII. fig. 14.) C. testa ovato- 

 transversa, incequilaterali, tumida, oblique cordiformi, castanea, ali- 

 quantisper ad apices albo variegata, radiatim costata ; latere antico 

 brevi, obtuso, postico angustiore, oblique truncato ; costis in pleris- 

 que simplicibus, planulatis, latis, posticis tribus quatuorve angustio- 

 ribus ; lunula perparva, angustissima, transversa, profundissima. 



Var. a. Testa costis angustioribus in medio crenulatis. 



Var. ft. Testa subtrigona, costis antice posticeque crenulatis. 



Hab. Australia. Coll. Cuming. 



