TABLE OF CONTENTS. 



THE SHELL GALLEEY. 



Genebal Notes on Mollusca 



Systematic Arrangement .... 



Amphineura (Chitons, etc.) 



G-ASTROPODA (Marine Univalves, Land Snails, etc.) 



Pelecypoda (Bivalves, Oysters, Cockles, etc.) 



Cephalopoda (Octopus, Cuttlefish, etc.) 



Index to principal Genera of Mollusca 



General Notes on Polyzoa . 



Classification 



An account of the Brachiopoda 



Classification 



An account of the Tunicata 



Arrangement 



PAGE 



1 



7 

 7 

 9 

 29 

 45 

 51 

 54 

 57 

 74 

 77 

 83 

 90 



THE STAEFISH GALLEEY. 



General account of the Echinoderma. 

 Cbinoidea (Lily Stars, etc.) 

 Asteroidea (Starfishes) . 

 Ophiuroidea (Brittle-Stars) 

 EcHiNOiDEA (Sea-Urchins) 

 HoLOTHURioiDEA (Sea-CucuDibers) . 



tPlatyhelminthes (Tapeworms, etc.) 

 Vermes | Nematodes (Eoundworms, etc.) . 



Annulata (Marine Worms, Earthworms, Leeches) 



106 

 112 

 113 

 114 

 115 

 117 

 119 

 123 

 125 



