VIII 
CONTENTS. 
Page 
Scorpion . . . ... 529 
Centipede . . . . .532 
CRUSTACEOUS ANIMALS. 
Crab ...... 534 
Lobster ...... 542 
TESTACEOUS ANIMALS. 
Barnacle 
Pholas 
Solen 
Oyster 
Muscle 
Paper Nautilus 
Snail 
Ship-worm 
548 
551 
555 
558 
5 63 
578 
581 
586 
598 
ZOOPHYTES 
602 
Corallines . . .... 606 
Fresh-water Polype . . . . 6ll 
