SYSTEMATIC INDEX. 



CONCHOLOGY. 



PART I. 



GASTEROPODES (Univalves). 



PI. 



Helix auriculata ... . . 9 



BuLiMus melastomus 4 



zonatus 17 



citrinus 46 



do. vcr, ...... 47 



aureus ...... ib. 



ACHATiNA marginata 30 



perversa 36 



pallida • 41 



crenata ...... 58 



Oliva Braziliana 42 



CoNus Augur 65 



CONCELix marmoratus 24 



lineatas ib. 



punctatus ib. 



MiTRA zonata 3 



contracta . . . . . .18 



Australis ib. 



vittata 23 



cancellata 29 



rigida ib. 



bifasciata 35 



casta 48 



olivfeformis ib. 



lyrffiformis 54 



lu2:ubris 6C 



ferriiginea ...... lo. 



Strombus minimus 10 



variabilis . . . . . . ib. 



cylindricus . . . • .53 



Persicus ib. 



JCEPHALIS (Bivalves). 



Unio nasutus 57 



SoLEN ambiguus . . • .55 



