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ciples. The field of investigation open falls into four general 

 divisions: (i) the use of quantitative methods of studying habitat 

 and plant; (2) the application of ecological methods and prin- 

 ciples of forestry, agriculture, and plant pathology; (3) the 

 measured study of individual response to the habitat with especial 

 reference to the origin of species ; (4) quadrat study of the develop- 

 ment and structure of plant formations. For particulars address 

 Dr. F. E. Clements, University of Minnesota, at Minneapolis. 



Dr. John W. Harshberger has been appointed on the stafif of 

 the summer school of biological laboratory of the Brooklyn 

 Institute of Arts and Sciences at Cold Spring Harbor, L. I. 



Dr. E. Bethel sailed February 26 from New Orleans for a five 

 weeks' collecting trip to Panama, Costa Rica and Guatemala. 



The corporation of Harvard University, in the disposition of 

 the Sheldon fund for travelling fellowships, has awarded during 

 the past four years, several grants to further botanical work. 

 Mr. A. J. Fames and Mr. E. W. Sinnott have made studies on 

 Australian types of tree structure and Mr. W. P. Thompson 

 has made studies of Javanese and South African plants. Both 

 of these expeditions were made possible by the Sheldon Fund. 



Richard M. Holman, B.A. (Stanford, '07), senior instructor 

 in botany. University of the Philippines, stationed from June, 

 1910, to June, 1912, at the College of Agriculture, Los Banos, 

 Philippine Islands, is on leave of absence which extends to 

 September, 191 3. He is at present engaged in graduate study 

 at Leipzig University. 



The botanical department of Columbia University is conducting 

 a colloquium, for the reviewing of current literature, which meets 

 the first and third Tuesday evenings of the month, and the 

 Brooklyn Botanic Garden, under the direction of Dr. E. W. Olive 

 is conducting a seminar devoted to Thompson's "Heredity," 

 which meets on alternate Monday afternoons. 



Dr. Arthur Hollick of the New York Botanical Garden will 

 spend March, April and May at the U. S. National Museum, 

 continuing his studies of Alaskan fossil plants. 



