UTAH ACADEMY OF SCIENCES 119 
SEVENTH ANNUAL CONVENTION OF THE UTAH 
ACADEMY OF SCIENCES. 
Chemistry Lecture Room, University of Utah. 
December 26 and 27, 1913. 
Friday, December 26, 1913, 8 P. M. 
“COMMUNITY LIFE AMONG INSECTS,” (Presidential 
MGaTPea ye esc res By E. G. Titus, U. A. C. 
“THE QUESTION OF VALENCY IN GASEOUS 
JONIZATION,” | &..3'0'.). By Dr. Harvey Fletcher, B. Y. U. 
Saturday, December 27, 1913, 9:30 A. M. 
“SOME METABOLIC EFFECTS OF BATHING IN GREAT SALT 
LAKE,” ...By Dr. Helen I. and Dr. H. A. Mattill, U. U. 
“CORN UNDER IRRIGATION,” By Dr. Frank S. Harris, U. A. C. 
“PRACTICAL EXPERIMENTS WITH ROOT BORERS,”’ 
By Prof. M. R. Porter, Weber Stake Academy, Ogden 
“How Far Is SCIENTIFIC EXTENSION 
PRACTICABLE oon tosis By Dr. E. G. Peterson, U. A. C. 
Saturday, December 27, 1913, 2 P. M. 
“SOME FEATURES OF THE RECENT INTERNATIONAL CONGRESS 
OF GEOLOGISTS,” ..... By W. D. Neal, Salt Lake City 
“OUTLINE OF MINING AND SMELTING CONDITIONS AT 
SANTA FE, NEW MExico,” ...By B. Arthur Berryman 
(In the absence of the author, read by the secretary). 
“RELATION OF VENTILATION TO THE KEEPING OF FRUITS 
AND VEGETABLES,” 2). 60/55) By Dr. Geo. R. Hill, Jr. 
“‘URADIUM AND VANADIUM DEPOSITS IN 
(9101: el ee Ne eae By Prof. M. E. Jones, Salt Lake City 
“THE INFLUENCE OF ARSENIC ON BIOLOGICAL 
TRANSFORMATIONS OF NITROGEN IN 
SPETES: STE be asta eat hogs By Dr. J. E. Greaves, U. A. C. 
(In the absence of the author, the paper was summarized 
by Dr. Titus). 
1 Published in Amer. Jour. Physiology 36: 488-500. March, 1915. 
