\<>1. XXl| KXTO.MOLOC.ICAI. NKWS 379 



of North America (a general consideration of the occurrence 

 and distribution of North American species, suggestions as to 

 derivation and factors in the separation of species). J. Dewitz 

 (Metz), announced for this session, was absent. 



Section of Economic and Medical Entomology. President, 

 Sir D. Morris (London). Vice-president, J. Kunckel d'Her- 

 culais. F. V. Theobald : The distribution of the Yellow Fever 

 Mosquito (Stegomyia fasdata}. V. Vermorel (Villefranche) : 

 The destruction of insects injurious to cultivated plants. J. M. 

 Howlett (Pusa, Bengal) : Economical questions in Bengal. A. 

 Renard (Liege) : Insects which transmit diseases. G. H. Car- 

 penter (Dublin) : Notes on the Oestridae (account of experi- 

 ments to elucidate the life history of Hypoderma bovis and the 

 economic value of preventive treatment ; observations on the 

 warble fly of the Reindeer, Oedemagena tarandi). L. Gedoelst 

 (Brussels) : Cuticolous Diptera of the Bovidae in the Congo. 

 F. S. Perez: Preliminary notes and information on Sphcin>f>- 

 tera lineata (Coleoptera) and the larva of a Lepidopter which 

 attack Hedysarum coronarium of Tunis and Sicily. 



Section of Nomenclature. President, H. Skinner (Philadel- 

 phia), Vice-president, P. Magretti (Milan). S. Schenkling 

 and K. Jordan (Tring) : Communication of various proposi- 

 tions sent to the Section by Messrs. Elliot. Lindinger, Alpher- 

 aky, Horn, Prout, Dampf and others. 



Wednesday, August 3. 



9 A. M. General Session. President, R. Trimen (Oxford), 

 Vice-president, A. Handlirsch (Vienna). F. A. Dixey (Ox- 

 ford) : Mimicry. R. C. Punnett (Cambridge) : Mendelism and 

 Lepidoptera. 



10 A. M. Section of Evolution and Mimicry. President. 

 F. Merrifield (Brighton), Vice-president, S. Sjostedt (Stock- 

 holm). F. Merrifield: Experimental Entomology. W. Schaus 

 (London) : What end is served by mimicry? (laws of nature 

 and of evolution, observations made during long years in tin- 

 forests of the neotropical region ; birds only rarely attack di- 

 urnal Lepidoptera which have no need of protective colors). 



