Vol. X.\i| KXTOMOLOCICAI. XKUS 377 



documents ; this distribution was continued the following day 

 in the office of the General Secretary (M. Guillaume Severin) 

 in the Palais des Fetes of the Exposition, in which building 

 all the sessions were held. At the evening reception between 

 seventy and eighty ladies and gentlemen were present. 



A translation of the detailed program of the Congress fol- 

 lows : 



Monday August i. 



10.30 A. M. General session. Opening address by M. 

 Auguste Lameere, Rector of the Free University of Brussels, 

 President of the Congress. (E. Simon, Paris, Vice-president.) 

 Report of the General Secretary, M. G. Severin. Organization 

 of the sections. Conference by M. J. Kiinckel d'Herculais 

 (Paris) : "The invasions of grasshoppers, their destruction by 

 natural causes and by man." Meeting of the Presidents of the 

 sections. 



2 P. M. Section of Economic and Pathologic Entomology. 

 President, R. Blanchard (Paris). Vice-president, F. Theobald 

 (\Yye). F. V. Theobald: Artificial distribution of insect pests. 

 A. Andres (Alexandria) : Notes on Lepidoptera attacking cot- 

 ton and methods for their destruction. R. MacDougall (Edin- 

 burgh) : Galerncclla lincola, Coleopter, its life history and hab- 

 its with notes on preventive and remedial researches (great 

 damage done to Sali.v). D. Morris (Boscombe) : The disinfec- 

 tion of imported seeds of plants and the use of insecticides 

 (summary of laws in force in the British West Indies to con- 

 trol the introduction of insect pests with a general account of 

 the several insecticides in use and the supplementary precau- 

 tions of quarantine and inspection after admission of seeds and 

 plants). 



Section of Systematics. President, H. Kolbe ( Berlin ) . Vice- 

 president, J. Villeneuve (Rambouillet). H. Kolbe: Compara- 

 tive morphology and classification of the Coleoptera. H. Ker- 

 tesz (Budapest) : The generic relations of the hitherto de- 

 scribed species of Pachygastcr (Diptera). L. Navas (Zara- 

 gosa) : Some organs of the wings of insects. P. Speiser (Sie- 

 rakowitz) : The idea of genera in classification (creation of the 



