INDEX, 



GENERAL. 



Aberration of Zygajna trifolii in the New 



Forest and Christchurch Marshes, 214 

 Abundance of black Phigalia pilosaria 



at Burnley, 93 

 Abundance of wlute butterflies in 1917, 



56, 69 

 Acherontia atropos in Norfolk-, 17 

 Adopasa lineola in Bedford district, 234 

 jEschna mixta, 115 ; in South Devon, 



141 

 Agathomyia collini, Verr., and other 



Platypezid Diptera, 88 

 Aglais urticas, ab., 15, 42 ; ab. iclinu- 



soides, 257 

 Agriades corydon ab. in Bucks, 234 

 Agriades thersites in Normandy, 41 

 Agrotis simulans near Oxford. 186 

 Anopheles bifurcatus in Wanstead 



district, 260 

 Anosia plexippus in Cornwall, 256 

 Aphides, Notes on new and little known 



British, 25 

 Aporia crataigi, and Pararge mega;ra in 



West Herts, 258 

 Apples attacked by larva of Porthesia 



similis, 18 

 Arctic Lepidoptera, 137 

 Aricia medou ab. artaxerxes in Suffolk, 



92, 112, 138 

 Asilus crabroniformis, etc., in Kent, 17 

 Awkward incidents in an entomological 



career, 153 

 Azanus ubaldus, Cr., Note on, 184 



Bees, Some Halictine, 261 



Bees from the Malay Peninsula, 103 



Black form of Hibernia defoliaria in 



Epping Forest, Increase of the, 70 

 Blue-hail ed Carpenter-bees, 137 

 Bre])hos parthenias : A contrast in 



seasons, 113 ; in Gloucestershire, 113 ; 



in Surrey, 114 

 British Braconidte, Contributions to our 



knowledge of the, 104, 129 

 Bristol Museum : Interesting collection 



of British Lepidoptera, 223 

 British Odonata in 1917, 179 

 British Orthoptera, A few records of, 



114; in 1917, 229 



Bryophila perla in November, 17 



Bupalus piniaria, 20 



Burnet pup£e attacked by birds, 215 



Butterflies at Emsworth. 138 ; collected 

 at Amelie-les-Bains and La Preste, 

 237 ; collected in the Alpes-Maritimes, 

 near Menton, 71 ; collected in the 

 Pyrenees-Orientales in 1917 and 1918, 

 194 ; from Lulworth, 236 ; hunting in 

 the New Forest and elsewhere in 1917, 

 51 ; in Abbot's Wood, Sussex, 186 ; 

 of the Ancre district, 90 ; of the 

 Somme, 146 



Calling attitude of Hepialus sylvinus, 



212 

 Calosoma inquisitor and Sylpha quadri- 



punctata abundant in the New Forest, 



215 

 Cannock Chase, 1918, 252 

 Captures at Amelie-les-Bains in 1918, 



2.59 

 Catocala fraxini in Durham, 17 

 Catocala nupta ab., 258 

 Celastrina argiolus, and Brephos par- 

 thenias in Middlesex, 113 

 Celastrina argiolus in London, 159 

 Cluster's or assemblies of bees and wasps 



when resting, 236 

 (.'a3nonympha tiphon in Durham, 184 

 Colias edi^a in Essex, 70; in Ireland, 



187 ; in Surrey, 44 

 Colias hyale at Eastbourne, 17 

 Collecting at Eannoch, A month's, 262 

 Collecting in 1917, 175, 200; in the 



Highlands, 63 

 Corrections and explanations, 163 

 Courtship of Pararge megjera, 233 

 Crimson Augochlora bees, The, 211 

 CucuUia verbasci in co. Durham, 235 

 Cupido minimus and other " blues " 



occurring in the neighbourhood of 



(Cambridge, 100 ; in September, 234 



Dasycliira pudibunda in February, 114 

 Death-watch, The: Notes and Observa- 

 tions, 121, 158 

 Devastation of oak trees by spring larvse, 

 161, 185 



