21 



DIPS.IS, Leach. 



470 Dipsas plicata, Leach; dittcrent sizes, and a 



pearl taken from one 



IIUDLY.L 



471 Iridina exotica, a pair, both valves polished 



CH.4^L4. 



472 Chama Lazarus, (d) a superb group, «-ith an 



Area Noa? 



473 daniicornis 



474 gryphoides 



475 crcniilata 



476 florida 



477 Limbulus 



478 asperella 



479 aeruginosa 



480« var. pallida, rugosa 



4806 the same variety, reverse 



481 Arcinella, several specimens, superb 



varieties; (a) a specimen attaclicd to a 

 Strombus; (dj another adhering to a Venus 



482 Cristella? 



.ETHERL4. 



483 iEtheria cliiptlca 



TRIAICJV.4. 



484 Tridacna Gigas, several specimens 

 484a var. 



485 elongata, several specimens 



486 squamosa, several specimens 



487 ■ crocea, (a) a young one, of an orange 



colour 



