12 



Tuesday, August 6th. 



10 a.m. General Meeting. Room A. 



President: A. Lameere. Vice-President: J. van Bemmelen. 

 Secretary : H. Eltringham. 



Papers ; — 



(a) J. H. Comstock. 



" The Silk of Spiders and its Uses." 



A description of the different kinds of silk spun by spiders and 

 of the use of each kind. Illustrated by lantern slides made 

 from photomicrographs of silk and from photographs of webs. 



11 a.m. Section. 



Evolution, Bionomics, and Mimicry. Boom A, 



President : Y. Sjöstedt. Vice-President : H. Skinner. 

 Secretary : L. Doncaster. 



Papers : — 



(a) E. B. Poulton. 



" Mr. C. A. Wiggins 's and Dr. G. H. Carpenter's researches 



in mimicry in the forest butterflies of Uganda." 

 (Ô) R. C. L. Perkins. 



" The Colour Groups of Hawaiian Wasps." 

 (c) The Rev. K. St. A. Rogers. 



" Mimicry in the two sexes of the E. African Lycaenid Alesna 



picata E. M. Sharpe." 



2 p.m. Sections. 



I. Nomenclature. Room A. 



President : E. B. Poulton. Vice-President : K. Kertész. 

 Secretary : K. Jordan. 

 Papers : — 



(a) Rev. G. Wheeler and G. T. Bethune-Baker. 



" Nomenclature, with a communication from the Entomo- 

 logical Society of London." 



(i) Proposal from Entomological Society of London for for- 

 mation of International and National Committees. 

 (2) Unoíñcial suggestions as to desirable restrictions. 



(b) M. Ch. Oberthür. 



" Pas de bonne Figure à l'appui d'une Description, pas de Nom 

 valable." 



(c) To be read on behalf of Mr. L. B. Prout. 



" On the place of Figures in descriptive Entomology." 



