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plant exploration almost continuously since completing his work 

 at Syracuse. During his collecting trips about 11,000 field numbers 

 and more than 100,000 specimens were collected, besides about 

 4,000 authentic samples of woods. 



The thirty-second biennial edition of The Naturalist's Directory 

 will be published in September. This directory gives the names, 

 addresses and subjects of special interest of naturalists in all parts 

 of the Americas. It includes a list of scientific periodicals and natural 

 history museums. It is published by The Naturalist's Directory, 

 Salem, Mass., and the price is $2.50. 



Dr. H. A. Gleason made an extensive collecting trip during the 

 summer, covering territory from New York to Virginia and west 

 to the Mississippi and north to the Great Lakes. He brought back 

 to the New York Botanical Garden over 3,000 herbarium speci- 

 mens. He was accompanied on the trip by John Dwyer, a graduate 

 student from Fordham University. 



Dr. A. J. Riker, of the University of Wisconsin, and Dr. P. W. 

 Zimmerman, of the Boyce Thompson Institute, who are members 

 of a committee for the study of problems concerning plant cancers 

 and overgrowths, visited the New York Botanical Garden on 

 August 13 to consult with Dr. B. O. Dodge and members of the 

 laboratory staff of the Garden on the activities of the committee. 



In recognition of "distinguished contributions to the science of 

 genetics" Dr. George H. Shull, professor of botany and genetics 

 at Princeton University, received two honorary degrees at June 

 commencements. He received the degree of doctor of science from 

 Lawrence College and the degree of doctor of laws from Antioch 

 College. 



Dr. R. Ruggles Gates, professor of botany of the University of 

 London, arrived in the United States the end of July on leave of 

 absence without salary for the duration of the war. After working 

 at the Biological Laboratories at Woods Hole he has gone to 

 Canada, where his address is Middleton, Nova Scotia. He will be 

 available for lectures during this academic year. 



