Xll 



LIST OF ILLUSTRATIONS 



Page 



Common Gnat ( Culex pipiens) - - - 356 



Larva of Common Gnat (Culex pipiens) - 357 



Scales from Wings of various Butterflies - 359 



Heads and Proboscides of Butterflies - 359 



Great Tortoise-shell Butterfly ( Vanessa) - 361 



Cabbage Moth (Mamestra) (from Curtis) - 364 



Adult Stage of a Clothes-Moth - - 365 



Larvae of a Clothes-Moth - 365 



Lady-Birds (Coccinella) (from Curtis) - 366 



Flea-Beetle (Haltica) (from Curtis) - 366 



Green Tiger Beetle ( Cicindela campestris} - 367 



Great Water Beetle (Dytiscus marginalis) - 368 



Devil's Coach Horse (Ocypus) (from Curtis) 368 



Rose Chafer ( Cetonia aurata) (from Curtis) 369 



Corn- Weevil (from Curtis) - - - 369 



Structure of Hymenoptera - - - 370 



Turnip Saw-Fly (Athalia) (from Curtis) - 371 



Wood Wasp (Sirexgigas) 371 



Ichneumon-Fly (Hemiteles) (from Curtis) - 373 



Humble Bees (from Curtis) - - - 374 



Net- Winged Insects (Neuroptera) - - 375 



Golden-Eyed Fly (Chrysopd) (from Curtis) 378 



Common Earwig (Forficula auricularia) - 380 



" Locust " (Acridiiim peregri num ) - - 382 



Mole-Cricket (Gryllotalpa) (from Curtis) - 383 



Aptera, magnified ----- 384 

 Scorpion (after Blanchard and Milne - 



Edwards) - - 385 



Common False Spider (Galeodes araneoides) 388 



Book Scorpion ( Chelifer cancroides) - - 389 



A Whip Scorpion (Phrynus) - - - 389 



A Harvestman (Phalangium) (after Cuvier) 390 



Garden Spider (Epeira diadema) and Web 391 



Cheese-Mite ( Tyroglyphus siro) - - 393 



Pentastomum (after Leuckart) - 393 



A Bear- Animalcule (after Greeff) - 394 



British Centipedes (from Curtis) 394 

 Structure of Centipede (after Vogt and 



Yung) --- - 395 



British Millipedes (from Curtis) - - 396 



Cape Peripatus (after Balfour) - - - 399 



Structure of Peripatus (after Balfour) - 400 



Appendages of Lobster (Homarus vulgaris} 405 



Dissection of Lobster (Homarus vulgaris} - 407 



Mediterranean Crustacea - - - - 411 



Rock-Lobster (Palinurus vulgaris) - - 412 



A Hermit-Crab (Pagurus) (after Bell) - 412 



Opossum-Shrimp (My sis) (after Gerstaecker) 413 



Cuma (after Sars) ----- 414 



Amphipods (after Mayer and Llitken) 415 



Isopods (after Stebbing and Shipley) 415 



Nebalia (after Milne-Edwards) - - 416 



Page 



A Nauplius Larva 417 



Ship-Barnacles (Lepas) (after Schmarda) - 418 

 Small Fresh -water Crustacea (after Claus, 



R. Hertwig, and Zenker) - - - 419 



Apus (after Leunis-Ludwig) - - - 421 



King-Crab (Linmlus) (partly after Leuckart) 423 

 Shore Pycnogon (Pycnogomim littorale) 



(after Milne-Edwards) - 424 



A Sea-Centipede (Nereis) (after Gosse) - 426 

 Structure of Sea-Centipede (Nereis) (after 



Ehlers and R. Leuckart) - - - 427 



Lugworm (Arenicola piscatorum) 430 



Gephyrea (partly after Greeff) - - 433 



Rotifer (Philgdina) (after Hudson and Gosse) 434 



Polyzoa - - - ... 437 



Polyzoa, enlarged (after Kraepelin and Boas) 437 

 Lamp-Shell (Waldheimia) (after Boas and 



Davidson) - - 439 



Tape-Worm ( T&nia solium) (after Leuckart) 442 



Liver-Fluke (Fasciola) (after Sommer) - 443 



Planaria lactea (after O. Schmidt) - - 445 



Leptoplana tremellaris .... 446 



Round- Worm (Ascaris) (after Leuckart) - 448 



Common Star- Pish (Ur aster rubens)- - 451 



Common Star-Fish (Uraster rubens)- 453 



Brittle-Star (after Wyville Thomson) 455 

 Edible Sea -Urchin (Echinus esculentus} 



(partly after Hamann) - ... 456 



Three-jawed Pedicellarise of Sea-Urchins - 458 



Sea-Lily (Pentacrinus) (after J. Miiller) - 460 



Feather- Star (Comatula), climbing - - 460 

 Stages in Development of Feather - Star 



( Comatula) (after Wyville Thomson) - 461 



A Sea-Cucumber (Cucumaria) - - 462 



Green Hydra (Hydra viridis) - - - 465 



Structure of Hydra (partly after Jickeli) - 468 



Epithelium (after Hatschek) - - - 470 



Development of Hydra (after Brauer) - 472 



Sea-Anemone 474 



Skeletons of Arabian Corals (after Haeckel) 475 

 Dead - Man's Fingers (Alcyonium) (after 



Cuvier and Hornell) - 477 



A Hydroid Zoophyte (Obelia) (after Hornell) 479 



A Compound Jelly-Fish (Sarsia) 481 



Development of Aurelia - - - 482 



Lucernaria ... 482 



Cydippe (after Chun) - 483 



Sponge Spicules - 485 



Bath -Sponge (Euspongia} 486 

 Group of Calcareous Sponges - - -487 



Protozoa (after various authors) - - 489 



Protomyxa (after Haeckel) - - - 497 



