228 [October, 



bred Ilyles eiiphorhiap from the "Front" in France, and a Vespa norvegica from 

 Kotherhitlie. Mr. Asliby, a long series of Cetonia aurata from Portland, and a 

 Lasiocampa quercus near v. caltunae from the same place. Mr. W. West, the 

 Neuropteron Osmylus cJinjsops from the New Forest. Mr. Blair described 

 the pairing habits of the " swift" Hejnalus syhinus, referring especially to the 

 folding-down of the hind wings of the females. Mr. Bunnett exhibited larvae 

 and pupae of the Coleoptera Cassida equestris, Ciontis blattariae^ Chrysomela 

 polita, etc. Mr. Sims, ova of Piezodorus lituratus (Hemipt.) on furze. Mr. Edwards, 

 exotic Pieridae, including Callosune zo'e, C. ialo7ie, Pieris charina, etc. Mr. Sichj 

 read a paper, " Species in the Genus Cerostotna." 



Auynst 22nd, 1918. — The President in the Chair. 



The death from wounds of a member, Mr. C. P. Emmett, F.E.S., was 

 announced. 



Mr. Court, of Market Rasen, was elected a member. 



Mr. Turner exhibited a copy of " Exotic Moths," Jardine's Library, 1840, 

 and referred to the portrait and memoir of the great French naturalist Latreille 

 contained in it. Mr. Edwards, Papilio lama from Tibet, and v. phitonms of 

 P. alcinous from Tibet. Mr. Ashdown, larvae of Kotodoyita droinedariuH. 

 Mr. Barnett, undersides o{ Agriades coridon, (1) with all discal markings obso- 

 lete, (2j with markings much emphasised and dark, from Royston, and a pale 

 Anaitis plogiata from Colley Hill. Mr. xSeave, a living Trichiiira crataegi 

 and three aberrations oi Arctia caja, (1) and (2) with discal markings on hind 

 wings mainly obsolete, (3) a yellow form. Mr. Holden, three aberrations of 

 Arctia caja, (1) a salmon-pink form, (2) with discal markings on hind wings 

 obsolete, (3) a rich yellow form, and a Mimas tiliae with costal blotches only. 

 Mr. Carr, several series of Abraxas sylvata [ulmata) from Chalfont, Wye, and 

 Delamere. Mr. Bunnett, a very pale Miltochrista miniata from Crowborough. 

 — IIy. J. TuKMKK, Hon. Kditor of Proceedings. 



NOTES ON THE DERBIDAE IN THE BRITISH MUSEUM 

 COLLECTION.— n. DERBINAE. 



BY PEEDEEICK MTJIK. T.E.S. 



The four sections, Derhini, Hhotanim, CencJireini, and Otioceiiiniy 

 have the anal area of the wing large and the cubital and anal veins 

 normally developed ; except in the genus Symidia, the wings are more 

 than half the length of the tegmina, and the tegmina are not propor- 

 tionally long and narrow. They thus constitute a group in contrast to 

 the Zoraidinae. Elsewhere I have treated them as four subfamilies, 

 but, after examining the material in the British Museum collection, 

 which includes many forms previously unknown to me, it will be 

 better, in my opinion, to consider them as four sections under one sub- 

 family. The Cenclireini and Otiocerini are two well-defined groups, 



