335 



CONTENTS OF VOLUME XXIII. 



PAGE. 



Aberrations and varieties of Agri- 

 ndes thctls, 231; A. coridon, 192, 

 206, 274, 292 ; Afirotis cnrsoria, 

 75; Aiiisotoiia calcarata, 44; ^-1. 

 carta, 43 ; Anthrocera filipcndu- 

 lae, 55; A. trifoUi, 55; Aplecta 

 nehulom, 225, 230, 332; Arctia 

 caja, 225 ; Argynnis selene, 52 ; 

 Aricia aatrarche var. arta.rerxes, 

 257; Boarmia rcpandata, 58; 

 Cclastrina arc/iolus, 302; Chryso- 

 jihauus dispar, 187; Coenon- 

 yniplia pdinphilus, 291; CoUas 

 edusa and C. hyale, 274, 329 ; 

 C. palaeno, 313 ; Epiiiephcle 

 jurtiita, 190 ; Ettchloe eiiplte- 

 'noides, 272, 303, 319 ; Enclidia 

 vii, 289 ; Formica ftisca, 96 ; 

 G)wplios ohsdiruta, 52; Hybernia 

 leucophaearia , 219,220; Leptidia 

 sinupis, 274 ; Lithosia deplana, 

 309 ; Loweia alciphroii var. c/or- 

 </i((s', 246 ; Luperiiia gueneel, 74, 

 76, 89, 171, 201 ; Melitaea 

 auriuia, 52 ; il/. athalia, 164, 

 313 ; ilZ. dictynna, 300, 313 ; 

 Ulelaiiargia galatea, 328, 329 ; 

 Mimas tiliae, 321 ; A'oZa «?&»- 

 ZaZis, 224 ; N. confusalis, 219 ; 

 Fapilio dardanus, 281 ; Para- 

 inecosoma melanocephalum, 4 ; 

 Pararge aegeria,d02; Parnassius 

 mnemosytie, 300 ; P. apollo, 321 ; 

 Philontlins intermedius, 4; Pieris 

 napi, 273, 290, 302 ; P. mpae, 

 244, 246, 273 ; Polygonia c-al- 

 biim, 74, 96 ; Polyommatus icarus, 

 187, 274, 292; Seleniahilunaria, 

 228 ; Eumicia phlaeas, 274, 304, 

 328; Telepliorus thoracicus, 28; 

 Triphaena pronuha, 226 ; Va- 

 nessa io, 15; Xylina ornitopus . . 97 

 Abundance of Acroiiycta, 218; of 

 Pieris rapae, etc., 244, 246, 273, 

 290, 302, 305 ; Euchloc carda- 

 mines, etc., 291, sqq. ; Agrius 

 convolvidi, 304 ; Rumiciapldaeas, 

 247, 292, 304, 314 ; Pieris napi, 



304 ; Noctua 315 



Acarina with ants 22, 62, 170, 237, 280 

 Acridians of the Canary Is. . . 194 



Aggressive habit of moths. . .. 219 



Albinism in Loweia alciphron var. 



gordias, 246 ; Erebia and Colias 274 

 Alucitides of Strood . . . . 36 



Amphisbatis incongruella probably 

 myrmecophilous in the larval 

 stage, and a few notes on some 

 other myrmecophiles . . . . 1G9 



Anaspis hudsoni ( ? ) bred . . . . 300 



PAGE. 



Annual Exhibition of the Royal 

 Photographic Society . . . . 179 



Ants 10, 22, 23, 57, 96, 98, 103, 

 169,226, 228, 231, 236, 280, 



323, 329, 330 

 Aphides of Lasiiis niger . . . . 23 



Araneina with ants. . . . . . 62 



Association, an unexplained . . 281 

 Asymmetry . . . . 52, 279, 314, 326 



Bacilli in an insect's gut, Persist- 

 ence of . . . . . . . . 104 



Bat and parasitic dipteron . . 230 



Bibliography — Tutt's works, 140; 

 Hungarian collecting, 193; papers 

 by H. St. J. K. Donisthorpe, 238 ; 

 Scudder's works, 256 ; North 

 American Thysanoptera . . 278 



Birds attacking butterflies 1S9, 



218, 245, 305 



Braconidae with ants . . 61 



Butterflies in Hungary in 1910 161, 189 



Canadian Pierids, 229 ; proposed 



catalogue of insects . . . . 308 



Catops, table of British species . . 08 

 Coccids with ants, 170 ; new to 

 Britain, 253; spread of . . .. 322 



Cockroaches of the Canary Is. . . 194 

 Coleoptera, rare species of (1910), 

 5, 12, 230, 241, 247, 248, 279 ; 

 Anaspis hudsoni ( $ ) bred, 300 ; 

 aquatic, 308 ; colour varieties, 5 ; 

 egg-laying, 234 ; in the High- 

 lands in June (1911), 309 ; life- 

 histories, 45 ; literature in 1910, 

 44 ; myrmecophilous notes, 12, 

 58. 169, 226; new species and 

 varieties of, 2, 24, 27, 28, 43, 47, 

 73, 99, 252, 253, 306 ; new to 

 Britain, 2, 44, 47, 67, 95, 301, 

 306 ; retrospect for 1910, 2, 44 ; 

 the genus Colon. 6 ; the genus 



Gabriiis 182 



Colias and lucerne . . 276, 305, 330 

 Collecting at Constantinople in 



1911 49, 315 



Collections of S. J. Capper, 99; of 

 T. J. Bold, J. Gardner, R. S. 

 Bagnall, 100; G. G. Hodgson, 

 217; J. W. Tutt.. 72, 251, 305 



Collernbola with ants . . . . 61 



Conversazione . . . . . . 182 



Corrigenda . . . . . . . . 306 



Costal dots of Noctuids . . . . 54 



Current Notes 27, 47, 71, 99, 155, 



179, 213, 248, 277, 320 

 Cyaniris seDiiargus in England . . 211 

 Death of J. W. Tutt . . 28, 74 



Description of Lepidopterous ovum 196 

 Description of Hellinsia osteodac- 

 tyla (pupa), 29 ; Liodes curia 



