TABLE OF CONTEXTS. 



THE SHELL GALLERY. 



General Notes ou Mollusca 1 



Their Systematic Arrangement 7 



Cephalopoda (Octopus, Cuttlefish, &c.) 8 



I'teropoda 1 :> > 



Gastropoda (Shells, Snails, &c.) 11 



Scaphopoda (Tooth-shells) 32 



Pelecypoda (or Bivalves, Oysters, kc.) 33 



General Notes on Brachiopoda 1~ 



Alphabetical Index of Genera of Mollusca 19 



THE STARFISH GALLERY. 



General Notes on Echinodermata 53 



Crinoidea 60 



Asteroidea (Starfishes) 61 



Ophiuroidea (Brittle-stars) 61 



Echinoidea (Sea- Urchins) 62 



Holothuroidea (Sea-Cucumbers) 62 



General Notes un Vermes 63 



Platyhelminthes (Tapeworms, Flukes) 63 



Nematodes (Round- Worms, Trichina, &c.) .... 65 



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



