36 



The Rev. A. H. Cooke, Sc.D., F.Z.S., gave a resume of his 

 paper on " The Raclula of the Mitridse." 



Dr. Chas. F. Sonntag, P.Z.S., communicated his paper on 

 " The Variations in the Digastric Muscle of the Rhesus Macaque 

 and the Common Macaque." 



Mr. E. S. Russell, M.A., B.Sc, F.Z.S., communicated his 

 paper on " The Righting Reaction in Asteinna gihhosa Penn," 

 illustrating his remarks with a model showing the " deadlock " 

 position in the righting reaction, caused by the middle ray 

 laaeinsr behind. 



^55' 



In the absence of the Authors, the following papers were taken 

 as read : — Lt.-Col. S. Monckton Copeman, F.R.S., F.Z.S., 

 " Experiments on Sex Determination " ; M. Turxer, B.Sc, " On 

 the Nematode Parasites of a Chapman's Zebra." 



The next Meeting of the Society for Scientific Business will be 

 held on Tuesday, February 10th, 1920. 



A Notice stating the Agenda for that Meeting will be circu- 

 lated early in February. 



The following Papers have been received : — 



R. E. Turner and J. Waterstox. 



A Revision of the Ichneumonid Genera Lahium and Pcecilo- 

 cryptus. 



F. D. Welch, M.R.C.S. 



Remarks on Forster's Milvago or Carrion-Hawk. 



