MINUTES. xi 



" Fishes Used in Guayaquil for Mosquito Control Against Yel- 

 low Fever," by Carl H. Eigenmann, Ph.D., Professor of 

 Zoology, Indiana University. 



"The Carbonic Acid of the Blood in Health and Disease," by 

 Lawrence J. Henderson, M.D., Asst. Professor of Biological 

 Chemistry, Harvard Medical School. 



" Some Recent Experiments Concerning the Nature of the Func- 

 tion of the Kidney," by A. N. Richards, M.D., University of 

 Pennsylvania. (Introduced by Dr. H. H. Donaldson.) 



"The Biblical Manna," by Paul Haupt, Ph.D., LL.D., Professor 

 of Semitic Languages, Johns Hopkins University. * 



Afternoon Session, 2 O'Clock. 

 William B. Scott, Sc.D., LL.D., President, in the Chair. 



Prof. Wilder D. Bancroft, a recently elected member, subscribed 

 the Laws and was admitted into the Society. 



The President announced the award of the Magellanic Premium 

 to Paul R. Heyl and Lyman J. Briggs, of the U. S. Bureau of 

 Standards, for the invention of " The Earth Inductor Compass," and 

 presented to them the Magellanic Gold Medal. 



Messrs. Heyl and Briggs exhibited a model of the compass and 

 described it, and Lieutenant J. Parker Van Zandt, official representa- 

 tive of the U. S. Army Aviation Service, made some appreciative re- 

 marks on the invention. 



The President made the following remarks on the retirement of 

 Dr. Hays from the Secretariat after a continuous service of twenty- 

 five years : 



" The members of the Society will have noted, with feelings akin 

 to dismay, that for the first time in many years the name of Dr. I. 

 Minis Hays is absent from the list of Secretaries, Dr. Hays having 

 retired in spite of the many urgent requests that he should continue 

 in office. 



" It is difficult to understand what the Society can do without Dr. 

 Hays, for he has been its mainspring and driving force for years past. 

 The Society was in a moribund, or at least a comatose, condition when 



