10 «OUTH AFRICAN BIOLOGICAL SOCIETY 



47. Each member of the Council shall receive a copy ot 

 such notice from the Honorary Secretary. 



48. The Council shall submit the proposal to members 

 by correspondence ballot and if agreed to by two 

 thirds of the members such alteration shall be re- 

 corded in the book of Constitution and when so 

 recorded shall have and take effect. 



SOUTH AFRICAN BIOLOGICAL SOCIETY. 



PRETORIA LOCAL BRANCH, 



REPORT OF THE SECRETARY FOR THE YEAR 1919. 



The following officers were elected: — President, Mr. 

 A. K. Haaguer; Vice-presidents, Mr. R. E. Montgomery 

 and Dr. E. M. Doidge; Hon. Secretary, H. K. Munro. 



Six meetings were held during the year; in February, 

 May, August, October, November and December. The 

 average attendance was eleven members and four visitors 

 per meeting. 



The following is the list of papers and demonstrations: 



A. K. Haagner. The African Elephant and its 

 domestication. Illustrated with photographs. 



Dr. H. H. (Ireen and C. D. Dijkman. The Path and 

 Rate of elimination of Arsenic. 



H. K. Munro. Note <m the Occurence of Fossil 

 Tsetse Hies. 



C. F. M. Swynnciitoii. Lee lure on the Habits of Tsetse 

 flies. lUiistiated with lantern slides. 



Dr. E. P. Phillips. The Proteas of South Africa. 

 Illustrated with lantern slides. 



A. J. T. Janse. The Notodontidae of South Africa. 



H. K. Munro. Notes on the Habits of Flies. (Diptera.^ 



Dr. E. P. Phillips. The value of a State Herbarium 

 lo an Agricultural Country. 



A. Roberts. Exhibit of specimens of Gerbilles and 

 Shrews. 



