INDEX. 



GENERAL. 



Aberrations of Argynnis aglaia, Brenthis 

 euphrosyne and B. selene at Brighton, 

 2o6 



Aberrations of Coccinella 7-punctulata, 

 238 



Abundance of larvae of Pyrameis cardui 

 at Instow, North Devon, 61 



A correction, 68 



Agriades corydon in the New Forest, 

 237, 262 



Agrotis precox in Westmorland. 257 



Agrotis simulans in Oxfordshire, 262 



A hunt for Zygajna achillea'. 188 



A new Mymarid from Java, 161 



A new Papilio form, 129 



An experiment on Andrena fulva, 138 



Anthidium manieatum, L., in Wor- 

 cestershire, 278 



Anthroca achilleag, Esp., in Scotland : 

 Notes on distribution and variation, 

 217 



Antiquity of the Ichneumonidfe, 121 



An unusual form of Aplecta nebulosa, 

 189 



Apatura iris at sea near Brighton, 257 



A plea for pioneer work, 229 



Apple aphides, 256 



Argynnids in Dorsetshire, 237 ; in Wilt- 

 shire, 278 



Aspilates ochrearia in Cumberland, 167 



Asthenia fimbriana, etc., in Essex, 68, 90 



Asthenia fimbriana, 117 



Attacus prometheus in England, 234 



Big prices at Stevens' auction rooms, 69 

 British Neuroptera in 1917 and 1918, 56 

 British Odonata, 115 

 British Orthoptera, 116 

 Butterflies of the south coast. Some 

 notes on the, 279 



Caratomus megacephalus. Fab., 186 

 Catocala fraxini, 189 

 Catocala nupta ab., 261 

 Chffirocampa nerii at Dovercourt, 237 

 Chrysophanus phlc-eas in late October, 22 

 Cicadas at Quetta, Baluchistan, 92 

 Collecting at Eannoch in 1918, 54 



CoHecting in the Alpes-Maritimes, 15. 



34 

 Colias edusa, 235, 259, 260 ; helice, 260 ; 



hyale, 235 ; pallida, 260 

 Colour variation of Cacoecia cratsegana, 



Hb.. in the New Forest, 190 

 Colour variation of Odezia atrata, 256 

 Contributions to our knowledge of the 



British Braconidffi, 134, 149, 178 

 " Co-operation for small producers," 191 

 Cotteswold Arion, The, 174, 212 

 Crocallis elinguaria form siguatipennis, 



258 

 Curious accident to Sphingid larvae, 262 



Descriptions of twelve new Nyraphaline 

 butterfiies, 195 



Devastation of oak trees by spring 

 larvfE, 187 



Diaphora mendica in North Stafford- 

 shire, 216 



Diptera in. nests of Crabro, 14 



Dipterous hosts of Stilpnid ichneumons, 

 33 



Dorset Orthoptera, 280 



Dragontlies from Macedonia, 202 



Dragonflies from New Britain, 246 



Dragonfly at light, 255 



Earlier stages of Peroneamaccana, Tr.. 



P. lipsiana, Schiff., P. rufana, Schiff., 



and P. .'^challoriana, L., 252 

 Erebia tethiops at Arnside, 265 

 Errata, 191, 263 ^ 

 Euchloe belemia and Zegris eupheme in 



MesoxJotamia, 163 

 Eugonia polychloros in Devon. 216, 261 

 Euoris occulta in Lincolnshire, 138 

 Enpithecia albipunctata var. angelicata 



in Surrey, 138 

 Euproctis chrysoirhoea on Hippophac 



rhamnoides, 215 

 Euvanessa antiopain Warwickshire, 260 



Formaldehyde for 

 137 



mould " in insects. 



Gleanings from my note-books, 38, 

 51 



