14 



The next Meeting of the Society for Scientific Business will 

 be held on Tuesday, April 13th, 1920, at 5.30 p.m., when the 

 following communications will be made : — 



Arthur Willey, F.R.S., F.Z.S. 



An Apodous Amia ccdva. 



H. A. Baylis, M.A., and Clayton Lane, M.D. 



A Revision of the Nematode Family Gnathostoonidce. 



W. J. Dakin, D.Sc, F.Z.S. 



The Onychophora of Western Australia. 



A. M. Altson. 



The Life-history and Habits of Two Parasites of the 

 Blowfly. 



The Publication Committee desire to call the attention of 

 those who propose to ofi'er 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, IST.W. 8. 

 April Qth, 1920. 



