306 



INDEX 



Persecution, Carrion Crow and 

 Rook, 227 



— House Sparrow and Martin, 



218 



— Lapwing and Snipe, 220 



— Raven and Buzzard, 217 

 and Peregrine, 216 



— Starling and Woodpecker, 



218, 237 



Persistency to remain in terri- 

 tory, 68 



Pied-Wagtail, 86, 155 



Pigeon, Wood, 219 



Pipit, Meadow, 188 



— Tree, 51, 188, 189, 222, 244, 



278 

 Polyandrous females, 144 

 Predatory species, 268 

 Promiscuous pairing of Ruffs, 



172 

 Proximity to food - supply 



necessary for rearing 



young, 179, 195 

 Psychology, Manual of, 1 

 Puffin, 63, 116, 200 

 Pugnacious instinct, 87-109 

 Pugnacity, 11, 62 



— of females to obtain mates, 



109-118 



— of males, prior to mating- 



season, 77-81 



— of Moor-Hen, 218 



Racial preparation, 41, 43, 46, 



67, 205, 206, 266 

 Rail, Water, 218 

 Raven, 48, 202, 216 

 Razor-bill, 63, 64, 200, 247 

 Readjustment of territory, 146 

 Rearing of offspring, 3, 4 

 Red-backed Shrike, 39, 50, 51, 



156 

 Redbreast, 47 

 Redshank, 139 

 Redwing, 124 



Redstart, 230, 244 



Reed-Bunting, 28, 68, 69, 85, 104, 

 132, 156, 158, 160, 244, 246, 

 273 



Reed- Warbler, 49, 51, 68, 81, 132, 

 140, 152, 153, 211, 225 



Reeve, 171 



Relation of song to the terri- 

 tory, 119-68 



— of territory to migration, 259 



— of territory to the system of 



reproduction, 169-214 

 Relationship to a territory, 169 

 Reproduction, 14, 15 



— and territory, 169-214 



— attainment of, 2, 6, 37 



— goal of, 6 

 Ringed Guillemot, 64 

 Robbery of territory, 104-107 

 Rock-formation, suitability, for 



Guillemots nesting on, 196 

 Rook, 202, 227 

 Routine behaviour, 262 

 Ruff, 54, 63, 172 



— meetingplacesforconflict3,54 

 Ruffs, promiscuous pairing of, 



172 



Savi's Warbler, 139 



Sedge- Warbler, 25, 44, 152, 226, 



244 

 Selous, E., on the life-history 



of Ruffs and Reeves, 172 



— on meeting places for con- 



flicts and antics, 54 



— on the meeting places of 



Black Grouse, 63 

 Service, Robert, on flocks of 



unmated Sedge-Warblers, 



44, 45 

 Sexual behaviour, 3 



— conflicts, 10 



— development, 6 



— function, discharge of, 2, 3, 26 



— impulse of females, 13 



