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The Ecological Society of America will hold a meeting at the 

 Throop College of Technology, Pasadena, California, on June 

 19, 20 and 2 1st. A joint session for the reading of papers of 

 general interest will be held with the Western Society of Natural- 

 ists. Field trips have been arranged to Mt. Wilson and to the 

 fossil deposits at Rancho La Brea. 



The Ecological Society of America announces in its Bulletin 

 the appointment by the president, Barrington Moore, of a " Com- 

 mittee on Cooperation." The aim is to further different phases 

 of ecological work by combined effort on a concrete problem and 

 to suggest a list of problems where such co-operation would 

 prove of value. The problem decided upon is "The factors 

 limiting distribution on the mountains in the northeastern 

 states." The members selected represent the three main lines 

 of work of the society, plant ecology, forestry and zoology. 

 They are: for plant ecology, H. L. Shantz of the Bureau of 

 Plant Industry, Washington, D. C, and Norman Taylor of the 

 Brooklyn Botanic Garden; for forestry, George P. Burns of the 

 University of Vermont, Burlington, Vt., and Barrington Moore 

 of the American Museum of Natural History, New York; for 

 zoology C. C. Adams of Syracuse University, and one other not 

 yet appointed. During the first week in June, Messrs. Moore, 

 Adams and Taylor visited Mt. Mclntyreand Mt. Marcy in the 

 Adirondacks, and a more extended trip of the whole committee 

 is scheduled for July. 



