Vol. xxiii] ENTOMOLOGICAL NEWS. 375 



Red Maggot, Flower Bud Maggot, and Leaf Blister Mite on Cotton, 

 and control of certain insects by natural enemies. 



Read on behalf of J. Dewitz. "Die Physiologic in der Schad- 

 lingsforschung." 



R. Stewart MacDougall, Edinburgh. "Heteroptera and Thripidae 

 as apple enemies." 



SECTION 2. Systematics and Distribution. President, C. N. Roths- 

 child, Oundle; Secretary, Rev. G. Wheeler, London. 



H. J. Kolbe, Berlin. "Die Differenzierung der zoogeographischen 

 Elemente der Kontinente." In jedem Kontinent und in jeder Zone 

 giebt es zoogeographische Elemente von ungleichem Werte. Diese 

 sind das Resultat der Entwicklung wahrend verschiedener geologischer 

 Perioden. 



W. Horn, Berlin. "Die Fortschritte des neuen Coleopterorunt Cata- 

 logus von Junk-Schenkling." 



August 6th, 10 a.m. 



GENERAL MEETING. President, A. Lameere, Brussels; Vice-Presi- 

 dent, J. Van Bemmelen, Groningen. 



J. H. Comstock, Ithaca. "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 photomicro- 

 graphs of silk and from photographs of webs. 



Rev. G. Wheeler, London, and G. T. Bethnne-Baker, Birmingham. 

 "Nomenclature, with a communication from the Entomological Society 

 of London." (i) Proposal from Entomological Society of London 

 for formation of International and National Committees. (2) Un- 

 official suggestions as to desirable restrictions. (This was referred to 

 the Executive Committee.) 



SECTION i. Evolution, Bionomics, and Mimicry. President, Y 

 Sjostedt, Stockholm; Vice-President, H. Skinner, Philadelphia; Secre- 

 tary, L. Doncaster, Cambridge, England. 



E. B. Poulton. "Messrs. C. A. Wiggins and Dr. G. H. Carpenter's 

 researches in mimicry in the forest butterflies of Uganda." 



R. C. L. Perkins, Honolulu. "The color groups of Hawaian Wasps." 



The Rev. K. St. A. Rogers, British East Africa. "Mimicry in the 

 two sexes of the E. African Lycaenid (Alacna picata, E. M. Sharpe.' 



August 6th, 2 p.m.. 



SECTION I. Nomenclature. President, E. B. Poulton; Vice-Presi- 

 dent, K. Kertesz, Budapest; Secretary, K. Jordan, Tring. 



M. Ch. Oberthiir, Rennes. "Pas de bonne figure a 1'appui d'tine de- 

 scription, pas de noin valable." 



To be read on behalf of Mr. L. B. Prout. "On the place of figures 

 in descriptive Entomology." 



