TABLE OF CONTENTS. 



THE SHELL GALLERY. 



Page 



General Notes on Mollusca 1 



Their Systematic Arrangement 7 



Cephalopoda (Octopus, Cuttlefish, &c.) H 



Pteropoda 13 



Gastropoda (Shells, Snails, &c.) 14 



Scaphopoda (Tooth-shells) 32 



Pelecypocla (or Bivalves, Oysters, &c.) 33 



General Notes on Brachiopoda 17 



Alphabetical Index of Genera of Mollusca I!) 



THE STARFISH GALLERY. 



General Notes on Echinodermata 53 



Crinoidea 60 



Asteroidea (Starfishes) 61 



Ophiuroidea (Brittle-stars) 01 



Echinoidea (Sea- Urchins) 6.2 



Holothuroidea (Sea-Cucumbers) 62 



General Notes on Vermes 63 



Platyhelminthes (Tapeworms, Flukes) 63 



Nematodes (Round-Worms, Trichina, &c.) .... 6.") 



Annulata (Marine Worms, Earthworms, Leeches) . . 69 



