Illustrations have been moved alongside the text which they illustrate, and may no longer match the locations given in the List of Illustrations. The following apparent errors have been corrected: p. vii "FIG" changed to "FIG." p. viii "Mr" changed to "Mr." p. 29 "Figs. 9" changed to "Fig. 9" p. 34 (note) "on" changed to "of" p. 50 (footnote) "p 88" changed to "p. 88" p. 72 (note) "(1898)" changed to "(1898)." p. 107 (note) "405" changed to "405." p. 131 "219" changed to "219." p. 131 (note) ">Pfluger’s" changed to "Pflüger’s" p. 162 (note) "p 44" changed to "p. 44" p. 165 "Mullerian" changed to "Müllerian" p. 212 "Where-ever" changed to "Wherever" p. 216 "79" changed to "79." p. 226 "drives" changed to "drive" p. 239 (note) "G. F" changed to "G. F." p. 256 "objects" changed to "objects." p. 267 "woes" changed to "woos" p. 330 (note) "239" changed to "239." p. 332 "co ordinated" changed to "co-ordinated" p. 338 "106." changed to "106" p. 338 "BECKSTEIN" changed to "BECHSTEIN" p. 338 "leafcase" changed to "leaf-case" p. 339 "nerve centres" changed to "nerve-centres" p. 341 "nerve centres" changed to "nerve-centres" p. 341 "king crab" changed to "king-crab" p. 341 "of, intelligence" changed to "of intelligence" p. 342 "on, infusoria" changed to "on infusoria" p. 342 "mating, instinct" changed to "mating instinct" p. 343 "SCHNEIDER on" changed to "SCHNEIDER, on" p. 343 "Shock effects" changed to "Shock, effects" p. 343 "SPENCE on" changed to "SPENCE, on" p. 344 "106." changed to "106" p. 344 "of 327" changed to "of, 327" p. 344 "72 ff.," changed to "72 ff.;" Punctuation and spelling have otherwise been kept as printed. The following are used inconsistently in the text: alarm-note and alarm note co-existed and coexists co-incident and coincident danger-note and danger note first-hand and firsthand fox-terrier and fox terrier ground-work and groundwork inter-communication and intercommunication newly-hatched and newly hatched non-plussed and nonplussed play-time and playtime pre-requisite and prerequisite re-presentations and representations re-presentative and representative Romanes’s and Romanes’ supra and _supra_ Venus’s Fly-trap, Venus’s Fly Trap and Venus’s fly-trap End of the Project Gutenberg EBook of Animal Behaviour, by C. Lloyd Morgan