15 



312 Venus rugosa 



313 Casina 



314 crebrisulca 



315 ■ — plicata 



316 cancellataj numerous varieties. 



316a .- vai': 2 Lam. 



317 granulata 



318 Marica 



319 • cardioides 



320 mercenaria 



321 Lagopus 



322 Gallina 



323 lamellata 



324 exalbida 



325 JVIalabarica 



326 var. testS. postice plicatura 



flexuosd 



327 papilionacea 



328 adspersa 



329 punctifera 



330 turgida 



331 litterata, three vai'ieties and many spe- 



«iiiMjns 



332 sulcaria 



333 Textile 



334 texturata 



335 decussata, many varieties 



336 pullastra ; (a) testa monstros^ 



337 aurea var. 



338 virginea 



339 scalarina ? ^ 



340 opima, several varieties in colour 



340a nebulosa. An testa junior speeiei prse- 



cedentis 



341 laterisulca ? 



342 florida, several varieties 



343 Paphia, Dillvv. 



