CONTENTS AND INDEX* 
IX 
MOLLUSCA. By Eduard von Martens^, M.D. &c. , 
Page 
Review of Publications . . 505 
The General Subject 
Anatomy and Physiology . 520 
Monstrosities 620 
Contributions to Faunas 
Land- and Freshwater 
Mollusca 521 
Brackish-water Mollusca 626 
Marine Mollusca 627 
Immigration and Accli- 
matization 530 
Palaeontology of recent 
species 631 
Use of MoUusks by man . . 632 
Classification 633 
Special Part 
Cephalopoda 534 
Pteropoda 535 
Gastropoda 
Pectinibranchiata .... 635 
Proboscidifera rhachi- 
glossa 636 
Proboscidifera tcenio- 
Proboscidifera pteno- 
glossa 544 
Proboscidifera gymno- 
glossa 544 
Toxoglossa 645 
llostrifera 547 
Scutibranchiata 653 
Cyclobranchiata 556 
Tectibranchiata 557 
Nudibranchiata 569 
Pulmonata inoperculata 
Geophila 560 
Onchidiidae 661 
Vaginulidae 561 
Agnatha 561 
Oxygnatha 562 
Odontognatha .... 565 
Aulacognatha .... 572 
Goniognatha .... 574 
Elasmognatha .... 576 
Limnophila 677 
Thalassophila 578 
Pulmonata operculata. . 579 
Solenoconchae 582 
CONCHIPERA 682 
642 
Brachiopoda 
693 
MOLLUSCOIDA. By E. Perceval Wright, M.A. &c. 
(Page 594.) 
CRUSTACEA. By Eduard von Martens, M.D. &c* 
(Page 598.) 
ROTIFERA. By E. Perceval Wright, M.A. &c. 
(Page 624.) 
ANNELIDA. By E. Perceval Wright, M.A. &c. 
(Page 625.) 
SCOLECIDA. By E. Perceval AV right, M.A. &c. 
(Page 632.) 
