II 



10.30. Opening of the Congress. Room A. 



President : E. B. Poulton. Vice-President : G. Horváth. 

 Secretary : H. Eltringham. 



President's Opening Address. Arrangement of Sections. 

 Paper : The Hon. N. C. Rothschild, on " Nature Reserves." 

 Meeting of Presidents and Secretaries of Sections. 



2 p.m. Sections. 



I. Economic and Pathological Room B. 



President : L. O. Howard. Vice-President : R. Newstead. 



Secretary : H. Scott. 

 Papers : — 



(a) Sir Daniel Morris on behalf of N. A. Ballon. 



" Some Entomological Problems in the West Indies." 

 Occurrence Phytalus smithi Arrow, in Barbados, attacks of 

 Root Borer on Sugar Cane, Red Maggot, Flower Bud Maggot, 

 and Leaf Blister Mite on Cotton, and control of certain insects 

 by natural enemies. 

 To be read on behalf of 



(b) J. Dewitz. 



" Die Physiologie in der Schädlingsforschung." 



(c) R. Stewart MacDougall. 



" H éter optera and ThripidcB as apple enemies." 

 [Withdrawn] 



2. Systematics and Distribution. Room A. 



President : Ch. Oberthür. Vice-President : D. Sharp. 

 Secretary : G. Arrow. 



In the absence of both the President and Vice-President, the Hon. N. 

 Charles Rothschild took the Chair. 



Papers : — 



(a) H. J. Kolbe. 



" Die Differenzierung der zoogeographischen Elemente der 



Kontinente." 



In jedem Kontinent und in jeder Zonegiebt es zoogeographische 



Elemente von ungleichem Werte. Diese sind das Resultat der 



Entwicklung während verschiedener geologischer Perioden. 

 {b) A. Porter. 



Insects of Chili. 



" A Catalogue and Bibliography of Chilian Coccida;." 

 [Withdrawn] 

 (c) W. Horn. 



" Die Fortsclnitte des neuen Coleopterorum Catalogus von 



Junk-Schenkling." 



