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position as assistant director of the pathological laboratory of the 

 experiment station maintained by the Hawaiian Sugar Planters' 

 Association at Honolulu. 



Mr. Oakes Ames, founder of the Ames Botanical Laboratory 

 at North Easton, Massachusetts, has presented his valuable col- 

 lection of living orchids to the New York Botanical Garden. 

 The collection includes plants of great rarity and will form a 

 notable feature in the conservatories of the Garden. 



Professor William Bateson, of Cambridge University, England, 

 is announced by the Brooklyn Institute of Arts and Sciences 

 to give three illustrated lectures entitled " Demonstrations of 

 Mendel's Principles of Heredity," at the Art Building Hall, 174 

 Montague Street, on the evenings of October 3, October 31, and 

 November i. 



Professor C. F. Baker, for three years past chief of the de- 

 partment of botany in the Estacion Central Agronomica, at 

 Santiago de las Vegas, Cuba, has been appointed curator of the 

 herbarium and botanic garden at the Museu Goeldi, Para, Brazil. 

 All letters and packages should be addressed to him at that 

 point after November i, 1907. ' His especial work there will be 

 the further development of the herbarium and garden at Para, and 

 the botanical exploration of some of the most interesting parts 

 of the Amazon valley. 



The New York Botanical Garden announces for the autumn 

 of 1907 the following program of Saturday afternoon lectures : 



Oct. 5. " The Salton Sea and its Effect on Vegetation," by Dr. D. T. MacDougal. 



Oct. 12. " Collecting Fungi in the Wilds of Maine," by Dr. W. A. Murrill. 



Oct. 19. " The Forms and Functions of Leaves," by Dr. C. Stuart Gager. 



Oct. 26. " The True Grasses and their Uses," by Mr. George V. Nash. 



Nov. 2. " The Giant Trees of California : their Past History and Present Condi- 

 tion," by Dr. Arthur Hollick. 



Nov. 9. " The Progress of the Development of the New York Botanical Garden," 

 by Dr. N. L. Britton. 



Nov. 16. " Edible Roots of the United States," by Dr. H. H. Rusby. 



The lectures will be delivered in the museum building at 4 

 o'clock and will be illustrated by lantern slides and otherwise. 



