6 



The next Meeting of the Society for )Sciontific Business will 

 be held on Tuesday, March 18th, 1919, at 5.30 p.m., when the 

 following communications will be made : — 



H. R. A. Mallock, F.R.S., F.Z.S. 



"Some Points in Insect Mechanics." (Illustrated with 

 lantern -slides.) 



F. Martin Duncan, F.R.M.S., F.R.P.S. 



Exhibition of Photographs and Lantern-slides of Marine 

 Zoology. 



H. F. Blaauw, C.M.Z.S. 



" On the Breeding of Oryx gazella at Gooilust." 



The following Paper has been received : — 



Lancelot T. Hogben, B.A., B.Sc . 



" The Progressive Reduction of the Jugalin the Mammalia." 

 (Communicated by Mr. H. W. Unthank,"B.A., B.Sc, F.Z.S.) 



The Publication Committee desire to call the attention of 

 those who propose to ofier Papers to the Society, to the great 

 increase in the cost of paper and printing. This will render it 

 necessary for the present that papers should be condensed, and 

 be limited as far as possible to the description of new results. 



Communications intended for the Scientific Meetings should 

 be addressed to 



P. CHALMERS MITCHELL, 



Secretary. 

 Zoological Society of London, 

 Regent's Park, London, N.W. 8. 

 March llth, 1919. 



