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SCIENCE 



[N. S. Vol. XXXIX. No. 1009 



Department to go on the Seneca, a govern- 

 ment patrol vessel, and make a study of the 

 temperature, salinity and other qualities of 

 the water of the ocean at various depths. 



Drs. S. Marks White and Jennings C. 

 Litzenberg, of the medical faculty at the Uni- 

 versity of Minnesota, are absent on leave the 

 current semester. Dr. Frederick H. Scott, of 

 the department of physiology, has been 

 granted leave for the first semester of 1914- 

 1915, and Professor Harold E. Robertson, of 

 the department of pathology, has been granted 

 a year's leave of absence during 1914-1915. 



Peofessoe B. Shimek, of the department of 

 botany of the State University of Iowa, will 

 carry on research work in Europe during the 

 remainder of the year. He has been invited 

 to deliver a series of twelve lectures, chiefly 

 on the subjects of the plant ecology of the 

 American desert and prairie, and the loess, 

 at the University of Prague during the sum- 

 mer semester, 1914. He will also present two 

 papers, by request, before the meeting of biol- 

 ogists and physicians to be held at Prague 

 from May 31 to June 3. 



Professor A. N. Winchell, of the Univer- 

 sity of Wisconsin, has returned from a visit 

 to the Missouri School of Mines, the Univer- 

 sity of Kansas, the Agricultural College of 

 Iowa and the University of Illinois. At each 

 institution he delivered two lectures, one upon 

 the " Mining Geology of the Butte District,"' 

 and the other upon the " Origin of the Butte 

 Ore Deposit." 



The Syracuse Chapter of Sigma Xi has 

 held two open meetings during the past win- 

 ter. At the first, on February 20, Professor 

 M. I. Pupin, of Columbia University, gave an 

 address upon the topic, " Wave Conductors,' 

 with especial reference to the so-called Pupin 

 conductors which have made present-day long- 

 distance telephony possible. At the second 

 open meeting, March 6, Dr. Robert Aimer 

 Harper, professor of botany at Columbia Uni- 

 versity, gave an address upon the topic, 

 " Studies in Morphogenesis." A large audi- 

 ence consisting of both university and city 

 people, greeted each lecturer. 



Professor E. Heyn, of Berlin, is this year 

 to deliver the annual May lectures before the 

 Institute of Metals, London, upon the subject, 

 " Internal Strains in Cold Wrought Metals." 



The Friday evening meetings of the Royal 

 Institution were resumed on April 24 when 

 Dr. F. W. Dyson, the astronomer royal, lec- 

 tured on the stars around the north pole. On 

 May 8, Professor Karl Pearson will give an 

 address on albinism in men and dogs; and on 

 May 15 Professor Keeble will speak on 

 " Plant Animals : A Study in Symbiosis." 



The department of anatomy at the Univer- 

 sity of Minnesota has issued two volumes of 

 reprints of anatomical literature, by the fol- 

 lowing members of the department : J. B. 

 Johnston, R. E. Scammon, W. F. Allen, W. 

 A. Hilton, E. T. Bell, T. G. Lee, W. S. Nick- 

 erson, Robert Retzgar. Volume I. covers 

 1909-11 and Volume II., 1912-13. 



The University of Michigan has begun the 

 publication of scientific papers of the museum 

 of zoology, under the general title " Occa- 

 sional Papers of the Museum of Zoology, Uni- 

 versity of Michigan." The papers are to be 

 published separately, at irregular intervals, 

 and will be numbered consecutively. The 

 whole series will be sent through the univer- 

 sity library to libraries and scientific institu- 

 tions of a zoological nature, and the museum 

 will distribute copies of each number to stu- 

 dents interested in the subjects discussed. 



The twenty-third session of the Marine 

 Biological Laboratory, of Stanford University, 

 will begin on Monday, May 25. The regular 

 course of instruction will continue six weeks, 

 closing July 4. Investigators and students 

 working without instruction may make ar- 

 rangements to continue their work through 

 the summer. The laboratory will be under 

 the general supervision of Professor G. C. 

 Price, instructor in charge. The laboratory 

 provides for three classes of students: (1) 

 Teachers and students who have not had the 

 advantages of laboratory courses in zoology. 

 (2) Advanced students in zoology and physiol- 

 ogy who wish to continue their studies. (3) 



