IV ILLUSTRATIONS. 



PAGE 

 The Pearl-fishery 251 



The Spotted Horse-foot ( Tridacne Maculata) .... 254 



The Common Barnacle (Anatifa Lavis) 263 



The Calling Crab (Gelasimus Platydactylus), and Tree-lobster (Birgus 



Latro) 278 



The Common Crab (Cancer Pagurus) 279 



The Common Lobster (Astacus Marinus) 286 



The Common Prawn (Palcemon Serratus), and Shrimp (Crangon 



Vulgaris) . . 291 



Water-fleas Fig. 1. Cyclops Communis^ 2. Cypris Unifasciata, and 



3. Daplmia Pulex 294 



The Garden-Spider (Epeira Diadema), Mason- spider (Mygale Caemen- 



taria), and Hun ting- Spider (Salticus Scenicus) . . . .301 

 The Common Scorpion (Scorpio Afer), and the African Centipede 



(Scolopendra Guinensis) 305 



The Goliath-beetle (Goliathus Drurii), and the Hercules beetle (Dy- 



nastes Hercules) . . . . . .324 

 The Stag-horned Prionus (Prionus Cervicornis), and Diamond- 

 beetle (Curculio Imperialis) 327 



The American Mantis (Mantis Carolina) ..... 332 

 Day-flies (Ephemera Vulgata), in sunset-dance . . . 339 



The Dauber (Pelopaeus ?), carrying a Spider to its nest . 347 



The Tiger Swallowtail (Papilio Turnus), and the Admirable (Vanes- 

 sa Atalanta) 350 



The Priam Butterfly (Papilio Priamus) . . . . 35 L 

 The Unicorn Hawkmoth (Sphinx Convolvuli) . . . .355 



The Atlas Moth (Saturnia Atlas) 358 



Tubicola. (Dentalium Entalis, and Terebella Medusa) . . . 364 

 Echinodermata. Fig. 1. Echinus; 2. Scutella ; 3. Asterias ; 4. 



OpUurus; 5. Gorgonoceplialus ; 6. Comatula ; 7. Encrinus. 381 



The Twin- worm (Diplozoon Paradoxum) 387 



Rotifera. Fig. 1. and 2. Brachionus Urceolaris; 3. Stephanocerus 



Eichornii . ,391 



The Portuguese Man-of-war (Physalis Pelagwa) ... 397 



Animal-flowers: 1. Actinia Alcyonoides ; 2. A. Gemmacea . . 402 



Madrepores: 1. Astrea ? ; 2. Agarkia Undulata ; and 3. Mean- 



drina Cerebriformis . . .408 

 Sponges . 413 



