17 



3/1 Canlium ventricosiim 



3/2 riicjosiiiu 



3/3 sulcatum 



374 seri'.atum 



375 la;vi<jatuni 



3/6 biradiatum 



377 ^Eolicuni 



378 rusticiim, Chemii. vi. t. 10, f. 197 



379 • GivLMilandicuui 



380 Islaudicuni, Chcmn. vi. t. 19, f. 195 



& 196, two very large and one small speci- 

 men, proljably Card, crenulatum. Lam. 



381 latum, two varieties 



382 Uncdo 



383 medium 



384 Fragura 



385 retusuni 



386 • hcmieardium 



387 Cardissa 



388 var. valvarum cai'inA mutic^ 



389 invorsum 



390 Junonium 



391 augulatum? 



392 papyraceum 



393 



394 



CARDITA. 



395 Cardita sidcatus 



396 ajar, several varieties in colour; (a) a 



distorted specimen 



397 turijidus 



398 plireniticus 



396* crassicostatus 



397* caly<ulatus 



398* sqimmosiis 



