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The next Meeting of the Society for Scientific Business will be 

 lield on Tuesday, April 9th, 1918, at 5.30 p.m., when the 

 following communications will be made : — 



G. A. BouLENGER, LL.D., F.B.S., F.Z.S. 



Exhibition of a head of the Charasinid Fish, Flydrocyon 

 goliath. 



Miss J. B. Procter, F.Z.S. 



On the Variation of the Pit-Viper, Lachesis atrox. 



The following Paper has been received : — 

 Dr. Bbanislav Petronievics. 



Comparison between the Lower Jaws of the Cynodont 

 Reptiles Gompliognathus and Oynognathus. 



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. 

 liarch 2Qth, 1918. 



