146 



Explanation of seasonal dimor- 

 phic forms occurring at the 

 same time . . . . . . 12 



"European species of the genus 

 Melanargia," hy J. Piatt 

 Barrett 55, 142 



Field Meetings, Oxshott, 84 ; 

 Banmore Common, 94; Otford, 

 Kent, 98, ; Swinley Woods, 

 105; Claygate 118 



Five-spotted, Z. filipendula^ 99 ; 

 Zygfenid bred . . . . . . 122 



Flying together of A. coridon and 

 and A. thetis . . . . . . 65 



Food plants of maple aphis . . 21 



Forms of maple aphis, Poly- 

 morphic . . . . . . . . 21 



Fo«sil, Cockroaches, 33; dragon- 

 fly 143 



Fulgurites 89 



Fungi 49,75, 87 



Grouping of, Orthoptera, 29 ; 

 Blattodea . . . . . . 30 



Gynandromorph of, hybrid S. 

 ocellatusxA. populi, 75; L. 

 quercus var. callunre, 101 ; G. 

 rhamni, 116, 127 ; mongrel L. 

 dispar X car. japonica, 128; 



A. coridon . . . . . . 139 



Habits of, Precis, 6 ; young larvas 



of T. viridana, 16 ; Large Noc- 

 tuid T. agrippina, 74 ; H. muri- 

 cata, 104 ; H. prasinana, 96 ; 



B. pales far. arsilache .. 112 

 Hemiptera.. .. 21,75,86,118 

 Hibernation of, P. atalanta . . 68 

 History of, A. hyperantus . . 78 

 Hybrids of, gynandromorph H. 



ocellatus x A. populi, 75 ; B. 



hirtaria x N. lapponaria, 88 ; 



(?) A. coridon X A. thetis .. 110 

 Hymenoptera .. 66,92,100,115 

 Influence of environment of larvae 



of A. prunaria . . . . . . 137 



Ivory Gull, Egg of . . . . 87 



Lantern slides exhibited 1, 21, 



25, 29, 50, 69, 72, 93, 119, 120, 122 

 Larvae 16, 19, 26, 75, 87, 118, 



124, 144 

 Larval changes in T. viridana, 16 ; 



E. argiades . . . . . . 75 



Late, migration of swallow, 67 ; 



emergence of L. arion, 138; 



date of A. thetis . . . . 65 



Letter of H. Doubleday . . . . 139 



Library, Additions to . . . . xii 



"Life-cycle of T. viridana," hy 



A. Sick 15 



Life-history of, T. viridana, 15 ; 

 G. stercorarius . . . . 26, 



Light 



"Limacology," hy A. Si fit 41, 



List of Members . . 



List of Officers and Council i. 



Local races of, A. hyperantus, 77 ; 

 M. menelaus 



Localities :•- Algeria, 123 ; Annet 

 Is., 70 ; Argentine, 89 ; Clay- 

 gate, 118 ; Dardanelles, 121 ; 

 Eastbourne, 62 ; Johanisburg, 

 63 ; Loch Lomond, 92 ; Ox- 

 shott, 84; Otford, 98: Ban- 

 more Common, 94; Sicily, 55, 

 70, 140 ; Swinley Woods 



" Maple Aphis and its Dimorphic 



Larva, The," by E. J. Bunnett 



21, 



Marriage flight of Ants . . 



Melanism in, H. defoliaria, 116 ; 

 D. concinnata, 126; L. testacea, 

 130; A. nigricans, 130; L. 

 quercus, 133 ; B. gemmaria, 

 134 ; T. variata, 138 ; P. flavi- 

 cornis 



Membership . . . . . . x 



Mendelian results.. 119,121, 127 



" Metamorphosis of Geotrupes 

 stercorarius," hy Constant 

 Sano 25, 



Meteorological conditions, Season- 

 al Dimorphism depends on . . 



Micro-lepidoptera . . . . 15, 95, 



Microscopical exhibits 



Mimicry . . 



Minerals exhibited 



Minute Coleo.ptera under the 

 microscope 



Mollusca .. ..41, 87, 122, 



Mongrel brood of a B. repandata x 

 var. conversaria, 121 ; L. dispar 

 x ('(()■. japonica 



Mosquito of yellow fever 



Neuration of Blattodea . . 



Neuroptera . . . . 112, 



New Members . . 68, 85, 100, 



" Notes on Everes argiades," hy 

 Dr. T. A. Chapman 



" Notes on four Sicilian Butter- 

 flies," hy J. P. Barrett 



" Notes on Lasiocampa quercus," 

 hy B. )V. Adkin 



"Notes on M. neustria, M. cas- 

 trensis, and C. potatoria," hy 

 B. W. Adkin 



"Notes on Pachygastria trifolii 

 and Ruralis betulse," hy B. W. 

 Adkin 



120 

 105 

 124 

 iii 

 143 



131 



105 



93 



139 



120 



10 

 100 



75 

 132 



85 



75 

 124 



75 



88 



101 



107 



96 



