The Green Calotes (_Calotes ophiomachus_) 276 Tongue of the Chameleon 278 _Ceratophora_ _to face_ 280 Skulls of the Crocodile and Alligator 283 Terrapin (_Emys trijuga_) 290 Shield-tailed Serpent (_Uropeltis grandis_) 302 Tree Snake (_Passerita fusca_) _to face_ 307 Sea Snake (_Hydrophis subloevisis_) _to face_ 311 Saw of the Saw-fish (_Pristis antiquorum_) _to face_ 326 Ray (_Aëtobates narinari_) 327 Sword-fish (_Histiophorus immaculatus_) 330 Cheironectes 331 _Pterois volitans_ 334 _Scarus harid_ 335 Perch (_Therapon quadrilineatus_) 337 Eel (_Mastacembelus armatus_) 338 Mode of Fishing, after Rain 340 Plan of a Fish Decoy 342 The Anabas of the dry Tanks 354 The Violet Ianthina and its Shell 370 _Bullia vittata_ ib. Pearl Oysters, in various Stages of Growth _to face_ 380 Pearl Oyster, full grown _to face_ 381 _Cerithium palustre_ ib. The Portuguese Man-of-war (_Physalus urticulus_) 399 Longicorn Beetle (_Batocera rubus_) 406 Leaf Insects, &c 409 Eggs of the Leaf Insect (_Phyllium siccifolium_) 410 The Carpenter Bee (_Xylocapa tenniscapa_) 419 Wood-carrying Moths 431 The "Knife, grinder" (_Cicada_) 432 Flata (_Elidiptera Emersoniana and Poeciloptera Tennentii_) 433 The "Coffee-bug" (_Lecanium caffeæ_) _to face_ 436 Spider (_Mygate fasciata_) _to face_ 465 Cermatia 473 The Calling Crab (_Gelusimus_) 477 Eyes and Teeth of the Leech 480 Land Leeches preparing to attack 481 Medicinal Leech of Ceylon 483 CHAPTER I. MAMMALIA.