466 



BEITISH BUTTEEFLIES. 



PAGE. 



262-3 ; sexual dimorphism, 263 ; 

 variation, 263-9 ; egg-laying, 270 ; 

 ovum, 270-1 ; habits of larva, 

 271-3 ; larva, 273-80 ; food-plants, 

 280; puparium, 280-1; pupa,281-3; 

 dehiscence of pupa, 284 ; time of 

 appearance, 284-8; habits, 288-90; 

 habitat, 290-2 ; British localities, 

 292-3 ; distribution, 294-5 ; larvae 

 resembling their foodplant . . 265 



Ocelli of embryo showing in butter- 

 fly eggs 7 



Oecophylla smaragdina, a species 

 of Tasmanian ant . . . . 38-9 



Oecophylla virescens (ant), attend- 

 ing Ogyris larvas . . . . 35 



Oeneis macouni, larva brilliantly 

 striped . . . . . . . . 61 



Ogyris larvas attended by ants . . 35 



Ononis arvensis, attractive to T. 

 aoteon . . . . . . . . 127 



Ornithopns perpusillus, reputed 

 foodplant of U. comma . . . . 179 



Oxyria reniformis, foodplant of R. 

 hypophlaeas var. feildeni . . 348 



Panicum(s) crus-galli, foodplant of 

 G. palaemon . . . . 203, 205 



Panicum(s) sanguinale, foodplant of 

 C. palaemon . . . . . . 205 



Papilio alexanor, protective color- 

 ation of larvae . . . . 68, 74 



Papilio hospiton, resting-habit of 

 larva 74, 76 



Papilio machaon, larva spinning 

 silk pad for pupation, 60-1 ; pro- 

 tective coloration of larvae 67-8, 74 



Papilio polyxenes, gaily-coloured 

 larvae of . . . . . . . . 67 



Papilionine larvas, gradual develop- 

 ment of 68-71 



Pemphigus fraxinifolii and P. im- 

 bricator (plant-lice), devoured by 

 butterfly larvas . . . . . . 37 



Phalaris arundinacea, foodplant of 

 A . sylvanus . . . . . . 142 



Pheidole cremastog aster and P. 

 quadrispinosa (ants), attending 

 Lycaenid larvas . . . . 33 



Photographing butterfly eggs . . 8-11 



Pieris brassicae, larvas spinning silk 

 pads for pupation . . . . 59 



Pieris rapae, larvas spinning silk 

 pads for pupation . . 60-61 



Plantago lanceolata, heads fre- 

 quented by II. malvae, 250; re- 

 puted foodplant of H. malvae . . 240 



Plantago major, a reputed foodplant 

 of C. palaemon . . . . . . 205 



Plantago minor, seedheads a resting- 

 place for N. tages . . . . 288 



Plcbeius argus, secretory gland in 

 larva of . . . . 30 



Poa, foodplant of U. comma . . 179 



PAGE. 



Poa annua, foodplant of T. acteon, 

 123 ; foodplant of A. sylvanus, 

 142; and (erroneously) of B. 

 phlaeas . . . . . . . . 392 



Polygonia c-album, larvae re- 

 sembling birds' droppings . . 68 



Polygonia egea, larvae day-feeders 76 



Polygonia faunus, solitary leaf- 

 spinning larva of, 54 ; larvae 

 resembling birds' droppings, 68 ; 

 resting-habit of . . . . 78 



Polygonum bistorta, foodplant of 

 G. dispar . . . . . . . . 448 



Polyommatus icarus, larvae spinning 

 leaves and flowers together . . 59 



Potentilla anserina, foodplant of H. 

 malvae . . . . . . . . 240 



Potentilla fragariastrum, foodplant 

 of H. malvae . . . . . . 240 



Potentilla reptans, foodplant of H. 

 malvae . . . . . . . . 240 



Proctotrupids infesting butterfly 

 eggs 6 



Puparium of silk-spinning butter- 

 flies 57 



Pyrameis atalanta, puparium of . . 57 



Pyrameis cardui, solitary leaf- 

 spinning larva of, 54 ; puparium 

 of : 57 



Ragwort, attractive to T. acteon, 

 127; to R. phlaeas, 404; food- 

 plant (? erroneous) of R. phlaeas 



392, 462 



Range of plants laid on by butter- 

 flies . . . . . . . . 4 



Resting-habits of butterfly larvae . . 72-8 



Riband grass, foodplant of A. 

 sylvanus . . . . . . . . 142 



Ribs of butterfly eggs . . . . 6 



Root-stocks of lepidoptera. . 2 



Rubus fruticosus, foodplant of H. 

 malvae . . . . . . . . 240 



Rubusidaeus, foodplant of H. malvae 240 



Rumex aeetosa, foodplant of R. 

 hypophlaeas, 344 ; of R. phlaeas, 

 391 ; of C. dispar .. . . 448 



Rumex acetosella, foodplant of R. 

 phlaeas . . . . . . . . 391 



Rumex aquatica, foodplant of C. 

 dispar . . . . . . . . 448 



Rumex crispus, foodplant of R. 

 hypophlaeas, 344 ; of R. phlaeas, 

 391 ; of G. dispar .. . . 448 



Rumex hydrolapathum, foodplant of 

 G. dispar and of its var. rutilus 



65, 448 



Rumex obtusifolius, foodplant of 

 R. phlaeas, 391 ; of C. dispar . . 448 



Rumex pulcher, foodplant of R. 

 phlaeas 391 



Iiume.v sanguineus, foodplant of C. 

 dispar . . . . . . . . 448 



Rumex scutatus, foodplant of R. 

 phlaeas . . . . . . . . 391 



Rumicia, synonymy, 326 ; char- 



