I 



CONTENTS. 



Page. 



Scientific Proceedings (3oth-34th meetings) : 



Communications of the thirtieth meeting, October 21, 1908 . i 



Communications of the thirty first meeting, December 16, 1908. 33 

 Communications of the thirty second meeting, February 17, 



1909 55 



Communications of the thirty third meeting, April 21, 1009 . 95 



Communications of the thirty fourth meeting, May 26, 1909 . 113 

 Recapitulation of the names of the authors and of the titles of the 



communications . . . . . . . . -137 



Executive proceedings (3oth-34th meetings) .... 145 



Register of names and addresses of the members . . . 147 



List OF officers • 152 



Classified list of members . . . . . . • '53 



Index of the scientific proceedings ..... 155 



(iii) 



