CONTENTS 

 PAGE 



326 



Selection guided by utility at work 



in producing mimicry 205 



Selenia tetralunaria, Notes on ... 46 

 Sexual distinction between Polyom- 



matus corydon and P. bellaigus ... 50 

 Silkworm eggs hatching in autumn 196 

 Simplex, The synonymous sighs of 152 

 Societies : — Cambridge Entomologi- 

 cal, etc., 72, 96, 278; City of 

 London Entomological, etc., 45, 

 93, 118. 149. 171, 195, 246. 274, 815; 

 Entomological Socieiy of London, 

 21, 94, 275, 313 ; Lancashire and 

 Cheshire Entomological, etc., 

 223 ; Nonpareil Entomological, 

 etc.. 250, 278 ; North London 

 Entomological, etc., 22, 47, 72, 

 120, 151, 173, 199. 224, 277 ; 

 SouthLondon Entomological, etc.. 

 47, 71, 148, 172, 198, 222, 249, 279 

 Species, Varieties and Aberrations, 

 new to science : — Bassus remotiis, 

 Marshall, 295; Bieiithis pales, ab. 

 obsolescens, Tutt, 256 ; Coemnym- 

 pha ipliis var. dauphini, Tutt, 257 ; 

 ab. Intermedia, Tutt, 257 ; ab. 

 obsolcta, Tutt, 257 ; ab. virgata, 

 Tutt, 257 ; Ercbia tyndarus ab. 

 addenda, Tutt, 259 ; Hypermoecia 

 angustana var. obscura, Tutt, 293 ; 

 Melanippe ftuctuata var. syriacata, 

 Prout, 133 ; ab. confusa, Prout, 

 164 ; ab. insolida, Prout, 163 ; 

 ab. ochreata, Prout, 162 ; ab. 

 tfiules, Prout, 163 ; Mesoleius 

 compar. Marshall, 296; Plat\ptilia 

 chapmani, Tutt, 293 ; Rhizococcus 



devoniensis, Green 260 



Spilosoma mendica, Notes on ... 46 



Spring collecting in the Doncaster 



district 142 



Spring notes 15, 65 



Structure and development of the 



Lepidopterous wing 72 



Structure of Copismerinthus (with 

 woodcut) ... ... ... ... 18 



Study of wings, nervures, etc. 153 



Sugaring in Northamptonshire ... 270 



Sugar in Yorkshire... 245 



Supposed dimorphic form of one of 



the species of Z3)'//sn<s 21 



Suspension of pupce of Epinephele... 5 

 Swarm of Geotrupes stcrcorarius ... 144 

 Synia musculosa as a British insect 



66, 219 

 Synonymy of Tephrosia bistortata 

 and T. crepiiscularia ... ... 81 



Temperature experiments on Bom- 

 byx queirih and Bombyx cal uiiae 301 



Tephroaia bistortata (crepiiscularia) 

 and T. crepiiscularia (biiiiuiiilaria) 



85, 168, 22:5, 281 



Tephrosia bistortata, var. gen. n.,con- 

 soitaria ... ... 303 



Tephrosia tangle. The 76 



Tethea retiisa in Wales 310 



Third broods, bred in 1896 ... 306 



Time of oviposition of Demas corvli 143 

 Tortrix viburniatia. Notes on ... 68 



Tracheoe of butterfly wings. The ... Ill 

 Transplantation — Is it justifiable ? 277 

 Trichoptera from Lapland ... ... 296 



Trichoptera, Relation of, with Lepi- 



doptera ... 

 Trip to Epping Forest 

 Triphaena orbona [comes), with special 



reference to var. curtisii. Further 



notes on ... 

 Triphaena siibsequa in June 

 Trochilium crabroni/orme in Ireland 218 



Tsetse fly. The 276 



Type of L^'^/f/rm, The 183 



Types of African £HS<!mfa« ... 22 



Types of Genera ... 84 



25 

 115 



71 

 142 



Unusual appearance of Syrichthus 



malvae, Etichlor cardamines and 



Acontia Itictuosa 

 Use of corrosive sublimate... 

 Use of spine on fourth segment of 



male Panorpa 

 Utility as a factor in producing 



mimetic patterns ... 

 Utility as the predominant factor 



in developing mimetic patterns 



Value of rare British Lepidoptera... 



Variation in a critical mark of dis- 

 tinction between Triaena psi and 

 T. tridens, 109 ; in the markings 

 of the ^\\]}Kol Enodia hyperanthus, 

 166; of Boarmia repandata, 304; 

 of atria [Xanthia) fitlvago, 11 ; 

 of Eburia qiiadrinotata, 94 ; of 

 Oporabia dilutata 



Varieties of Melanippe fliictuata 



Wasp nest attacked by Aphomia 



sociella 

 Whitsuntide in the New Forest ... 

 Wing expansion of Achroea grisella, 



196 ; of Melitaea auriiiia. On the 

 Wings replacing hind pair of legs 



in Nemeophila plantafiinis 

 Witherslack in June 



141 

 43 



137 



73 



33 



111 

 162 



196 

 138 



108 



277 

 140 



Xysia (Phasia) cana, a Dipteron 

 added to the British list 198 



Young larva3 of Ennomos quercinaria 

 and Amphidasys strataria... ... 94 



Zygaena carniolica from Bourg 

 d'Oisans ... ... ... ... 247 



Zygaena exiilans. Aberrations of, 276 ; 

 the cocoon of ... 276 



