i6 



(b) Dr. T. A, Chapman. 



" Regeneration of the Legs of Liparis dispar." 



Effects of the parts being lost at different stages and tendency 



to reduplication of parts. 



3. Economic and Pathological. Room C. 



[Adjourned from Wednesday ; officers the same.] 



{a) Continuation of discussion on Mr. Rogers's paper. 

 (b) F. V. Theobald. 



" Aphides of the Cultivated Peas, and the allied species of 

 the genus Macrosiphum." 



2 p.m. Sections. 



I. Nomenclature. Room A. 



President : F. A. Dixey. Vice-President : E. Olivier. 

 Secretary : K. Jordan. 



Chair taken by the Vice-President. 

 Papers : — 

 {a) W. Horn. 



" Protest gegen die Zulassung von Ausnahmen vom Priori- 

 tätsgesetze." 

 {b) Ch. Kerremans. 



" Les Variétés doivent-elles être nommées ? " 

 Sur la nécessité de restreindre les noms donnés aux variétés, 

 de les remplacer par une lettre ou un No. d'ordre, 

 (c) Ernest Olivier. 



" Nécessité de l'Emploi du Latin pour les Descriptions." 



2. Economie and Pathologie. Room B, 



President : G. Hewitt. Vice-President : V. Ferrant. 

 Secretary : H. Rowland-Brown. 

 Papers : — 



(a) Stephen A. Forbes. 



" Simulium and Pellagra in Illinois, U.S.A." 

 Results of studies of species, distribution, and life- histories of 

 Simulium as related to new cases of Pellagra in asylums. 

 {b) Frederick A. Lowe. 



" How to kill that Fly." 

 (c) F. W. Urich. 



" The Biology of some Trinidad Mosquitoes, and notes on 

 their control." 

 [Withdrawn] 



