_AEgithalus pendulinus_ AElian Alix Alligator as a hunter; its nest Ambush, hunting in; baited _Ammophila affinis_ Angler's baited ambush _Anomalocorax splendens_ Ant, foraging; wars; honey; harvesting; agricultural; gardening; domestic animals; aphis-pens and paddocks; slaves; masons; attention to personal hygiene _Antennarius marmoratus_ _Anthocopa_ _Anthophora parietina_ _Anthophora pilifera_ Ape Aphis-pens of ants Aras Aristotle _Arvicola_ _Astur palumbarius_ _Ateucus sacer_ _Atta barbara_ Audubon Baboon Badger Baited ambush Baker, Sir S. Baldamus Baltimore bird Bates Bear Beaver Bee Beef-eater Belt _Bembex_ Bendire Beneden Bernard Bernstein Bison Blackcap _Bonasa togata_ Bower-birds Brehm Briant Brightwen, Mrs. Buechner Buffalo Buffalo-bird Bullhead _Buphaga_ Burmeister Burying-beetle _Cam's azarae_ Caracara, Guadeloupe _Cardisoma carnifex_ Cassique _Castor fiber_ _Catheturus Lathami_ _Cerceris ornata_ _Chalicodoma_ _Chelinous_ _Cheliura terebrans_ _Chlamydera maculata_ _Chlorion_ _Choestostomus pictus_ _Cicindela campestris_ _Cisludo lunaria_ _Claviger testaceus_ Cleveland, D. _Colaptes auratus_ _Colaptes Mexicanus_ _Conolophus subcristatus_ _Cottus gobio_ Couch Coursing by animals Cow-bird Crab Crane _Cricetus frumentarius_ Crocodile as a hunter Crossbill Crows Cuckoo _Cucujo_ Cuvier _Cystignathus ocellatus_ Darwin Death, feigning Death's-head Moth Defence of dwellings _et seq._ _Didelphys azarae_ Dog; wild Dog-fish _Dromia vulgaris_ Drory Drummond, H. Dubois, R. Dufour Dumeril Dutertre Dwellings of animals _et seq._ Eagle, Bald; Caracara; Golden Ebrard _Eciton_ Espinas Evolution, the theory of Fabre Falcon Feint Fere Flamingo Flights, methods of Fol, H. Foraging ants Forbes, H. O. _Formica_ Fox Frog _Furnarius rufus_ _Gecarinus ruricola_ Gelatine nests Girod Glow-worm _Gobius minutus_ _Gobius niger_ Goshawk Gould Gourami Goureau Grouse _Grus cinerea_ _Gypaeetos barbatus_ _Gypogeranus reptilivorus_ _Haliaeetus leucocephalus_ Hamster Hearne, S. Hedgehog Heermann Hermit-crab Hobby Hornbill Hornet's nest Horse Houzeau Huber Hudson, W. H. Humming-bird Hunting _et seq._; in ambush; in the burrow Hygiene among animals _et seq._ Intelligence and instinct _et seq._ Jackdaw Jerdon Kakapo Kangaroo Kataplexy Kirby Kite _Lacerta stirpium_ Lacepede _Lagostomus trichodactylus_ Lamarck Lammergeyer _Lanius_ Lark _Lasius_ Latreille Le Vaillant Lespes Lighting up nests Lincecum Linnet Loeffler _Lophius piscatorius_ Lowe, J. _Loxia_ Lubbock