112 



to the space-lattices of the crystallographers. Different tissues 

 would in many instances at least reveal different patterns, and 

 several tissues closely associated would show interpenetrating 

 space-lattices. 



The geometrical demonstration of the fact that orthic tetra- 

 kaidecahedra will fit together without voids has been presented 

 by Mr. Matzke in the April number of the Bulletin, pp. 341-348. 



Arthur H. Graves, 



Secretary. 



NEWS NOTES 



Dr. Benjamin Dayton Jackson, author of the Index Kewensis 

 and curator of the Linnean Collections died as the result of an 

 automobile accident on October twelfth. Dr. Jackson was in 

 his eighty-second year. 



The National Geographical Society is arranging an expedition 

 to the Pavlof volcanic group of islands off the Alaskan Peninsula 

 for next April. The expedition, which will be headed by Dr. 

 Thomas Jaggar of the United States Geological Survey at 

 Mount Kilauea in Hawaii, will study the volcanology, physio- 

 graphy, wild life and botany of the islands. 



Dr. Orland E. \\'hite, formerly of the Brooklyn Botanic 

 Garden, has returned from Europe to begin his new work as 

 professor of agricultural biology at the University of Virginia. 

 While in Europe Dr. White read a paper on "Mutation, Adapta- 

 tion, Temperature Differences and Geographical Distribution of 

 Plants" before the Fifth International Congress of Genetica 

 at Berlin. (Science). 



Dr. Julia Warner Snow, associate professor of botany at 

 Smith College and a specialist in fresh-water algae, died on 

 October 24. 



Two prizes, founded by the late Dr. William Johnson Walker, 

 are annually offered by the Boston Society of Natural 

 History, of Boston, Mass. for the best memoirs written in the 

 English language, on subjects proposed by the Board of Trustees. 



For the best memoir presented a prize of sixty dollars may 

 be awarded; if, however, the memoir be one of marked merit. 



