UTAH ACADEMY OF SCIENCES 15 
ELEVENTH ANNUAL CONVENTION OF THE 
UTAH ACADEMY OF SCIENCES. 
Physics Lecture Room, University of Utah, Salt Lake City, Utah 
April 5 and 6, 1918 
“Exceptional Growth of Some Mammals and of a few 
Lower Species of the Northern Hemisphere’’...... 
S. Moth Iverson 
“The Quest of the Student of Nature’’................ ae 4 
Dr. Chas. G. Plummer 
“Our Country—A Retrospect’’................0.... Wm. D. Neal 
“Reversals in Photographic Plates’’........ C. Arthur Smith 
“An Equation of the Density—Exposure Curve of a 
POOveeTapnic: Plate. io. Dr. Orin Tugman 
“Intensity and Distribution of Illumination From 
Automobile Headlights’’........2..2222022.220.. Orson Smith 
“Pogsibilities of Oil and Gas in Salt Lake and Cache 
Me Te AT rise ee Prof. Hyrum Schneider 
“The Second Reclamation of the Desert’’..Richard A. Hart 
“Major J. W. Powell and His Work”..Francis M. Bishop 
“Some Uncommon Insect Pests in Utah’’...................- 
ant) ar weer ne ee us ie alee se Prof. A. L. Matthews 
“Food and Feeding of Nestlings’’...... Dr. Newton Miller 
