IV 



t-'age 

 The Secretary. Report on the Additions to the Society's 



Menagerie during the month of March, 1919 222 



Mr. T. Gerrard, F.Z.S. Exhibition of, and remarks upon, 



a series of heads of Waterbuck 222 



Dr. W. T Calman, F.Z.S. Exliibition and detailed account 



of various Marine Boring Animals 222 



The Secretary. Exhibition, on behalf of Mr. George 

 Jennison, of a series of lantern-slides of a Chimpanzee 

 kept in the open air 223 



The Secretary. Exhibition of, and remarks upon, two 



photographs of a living Okapi 223 



Mr. E. G. BoULEXGER, F.Z.S. Exhibition of, and remarks 



upon, British Rats and their varieties 224 



Lt.-Col. S. Monckton Copeman, F.R.S. Exhibition of a 

 series of lantern -slides to illustrate his " Experiments 

 on Sex Determination " 224 



The Secretary. Report on the Additions to the Society's 



Menagerie during the month of April, 1919 224 



The Secretary. Exhibition of, and remarks upon, the 

 photographs of the young living Okapi shown at the 

 previous Scientific Meeting 225 



The Secretary. Report on the additions to the Society's 



Menagerie during the month of May, 1919 225 



Miss L. E. Cheesman, F.E.S, Exhibition of living speci- 

 mens of Light- giving Beetles from Cuba 225 



Mr. E. Huron- Allen, F.Z.S., Exhibition of a series of 

 lantern-slides demonstrating results of experiments 

 on cultivation of VerneuiUna 225 



