( vi ) 



possible, in spite of the difference in size, shape and egg- 

 laying habits, that the insects were only races and not yet 

 specifically distinct. 



He further remarked that experiments showed that both 

 eggs and active lice (P. humanus) were killed by exposing them 

 to a dry air or water temperature of 52° C. (125"6° F.) for 

 thirty minutes. 



Paper. 



The following Paper was read : — 



" On the Pairing of the Plebeiid Blue Butterflies," by T. A. 

 Chapman, M.D., F.Z.S., F.E.S. 





Wednesday, March 1st, 1916. 



Commander J. J. Walker, M.A., R.N., F.L.S., Vice- 

 President, in the Chair. 



Proposed Alteration of Bye-laws. 



The proposed alterations in the Bye-laws, having been 

 printed and distributed to all Fellows present at the Meeting, 

 were taken as read for the second time. 



Date and Hour of the Special Meeting. 



In accordance with the decision of the Council, it was 

 announced that the Special Meeting for consideration of 

 the proposed alterations in the Bye-laws would take place 

 on April 5th before the Ordinary Meeting, and the Fellows 

 present were requested to decide whether the hour should 

 be 7.30. or 8. 



Mr. Jones proposed that the hour should be 8 p.m. This 

 was seconded by Mr. R. W. Lloyd, with a view to avoiding 

 the necessity of sending out notices. The Secretary pointed 

 out that in case of a Special Meeting notices had always to 

 be sent out in accordance with the Bye-laws. Mr. Bethune- 

 Baker proposed as an Amendment that the hour be 7.30, 



