NEWS NOTES 



Professor George Tischler, director of the Botanical In- 

 stitute at Kiel, delivered some 30 lectures on karyology of 

 plants at the Johns Hopkins University in November, Decem- 

 ber, and January. During February he gave lectures at several 

 mid-western universities and at the University of California. 

 During March he visited the Desert Laboratory at Tucson and 

 did some collecting on the east coast of Florida. (Science). 



Dr. Merritt L. Fernald of Harvard University delivered a 

 series of lectures on "Geographic Isolation and the Evolution of 

 Plants" at the Ropes Memorial, Salem, Massachusetts. 



The Biological Laboratory at Cold Spring Harbor will offer 

 a course on plant sociology instead of the course in field botany 

 this summer. The course will be given by Dr. Henry S. Conard 

 of Grinnell College, and will be devoted to a study of plant 

 associations. 



The Field Museum of Natural History has received a 

 large collection of plants from Peten, Guatemala, and British 

 Honduras, made by Professor H. H. Bartlett, of the University 

 of Michigan. The plants are being identified by Paul C. Stand- 

 ley, associate curator of the museum's herbarium. (Science) 



Dr. C. Stuart Gager, Director of the Brooklyn Botanic 

 Garden, has been elected president of the National Institute of 

 Social Sciences. This organization has members in all parts of 

 the United States and operates under a Congressional charter 

 to promote study of the social sciences and to reward distin- 

 guished services performed for the benefit of mankind. 



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