May 7, 1909] 



SCIENCE 



733 



Natural History at Frankfort, in succession 

 to the late Dr. Eoemer. 



De. Paul Poppenheim has been appointed 

 custodian in the Zoological Museum at Berlin. 



Mr. John Hewitt, of Jesus College, Cam- 

 bridge, has been appointed assistant for mol- 

 luscs and fishes at the Transvaal Museum, 

 Pretoria. For the last four years Mr. Hewitt 

 has been curator of Eajah Brooke's Museum 

 at Sarawak. 



Dr. Ejchard Pragee, of Berlin, has been ap- 

 pointed head of the computing division, and 

 Dr. Walter Zurhellen, of Bonn, head of the 

 astrophotographic department in the Observa- 

 tory of Santiago de Chile. 



Dr. Edward E. Walters has been appointed 

 director of the Department of Health and 

 Charities at Pittsburg. 



Professor Wilhelm Hittorf, the eminent 

 physicist of Munich, has celebrated his eighty- 

 fifth birthday. 



Dr. H. Grenacher, professor of zoology at 

 HaUe, has retired from active service. 



Professor A. Lawrence Eotch, director of 

 the Blue Hill Observatory, has returned from 

 attending the International Aeronautical 

 Commission at Monte Carlo. 



Dr. Maxime Bocher, professor of mathe- 

 matics at Harvard University, expects to 

 spend the coming academic year abroad. 



Professor H. E. Crampton, of Columbia 

 TJniversity and the American Museum of Nat- 

 ural History, will take his fourth voyage to 

 the Society Islands this summer. Later he 

 will go by way of Cook's Islands to New Zea- 

 land and the Samoan group via the Tonga 

 Islands. He will return by way of the Eiji 

 Islands and Hawaii, arriving home in Jan- 

 uary, 1910. 



The advanced students of geology at the 

 University of Wisconsin left on April 30 for 

 a ten days' trip through the iron and copper 

 districts of Wisconsin, Minnesota and Michi- 

 gan. Accompanied by Professors C. K. Leith, 

 E. 0. Holden and A. N. Winchell, they will be 

 joined en route by Professor More, of Chicago, 

 and a group of Chicago students; by Profes- 

 sors Mansfield, Cline and Sauer, of North- 

 western and their students; and by a member 



of the Canadian Geological Survey, Mr. Col- 

 lins, of Ottawa, Canada. Starting from Du- 

 luth, the party wiU go through Tower and the 

 Vermilion range; Biwabik and the Mesabi 

 range; Carlton, Mimi. ; Houghton, Mich.; 

 Ishpeming and the Marquette district, re- 

 turning to Madison May 10. 



Professor Wm. A. Loct, of Northwestern 

 University, delivered the priacipal address 

 before the Iowa State Academy of Science at 

 Iowa City on the evening of April 30. His 

 subject was " The Service of Zoology to Intel- 

 lectual Progress." 



Dr. Alexander Geaham Bell was an- 

 nounced to read on the evening of May 7 be- 

 fore the American Philosophical Society a 

 paper on " Aerial Locomotion." 



Professor Walter E. Crane, of the Penn- 

 sylvania State College, will read a paper on 

 " The Use of Concrete in Mine Support " be- 

 fore the Institution of Mining Engineers 

 meeting in London on May 28. 



Professor George B. Frankportee, dean of 

 the college of chemistry at the University of 

 Minnesota, lectured at the University of Wis- 

 consin on April 30 on " Utilization of Waste 

 Products from the Lumbering Industry." 



President Charles E. Van Hise, of the 

 University of Wisconsia, has announced a 

 course of instruction to be given next year in 

 the geological department, on the conserva- 

 tion of natural resources. Dr. Van Hise's 

 administrative duties have until now pre- 

 vented his resuming teaching. 



In the fern herbarium of the New York 

 Botanical Garden, which is now officially 

 called the Underwood Fern Herbarium, a 

 bronze tablet in his memory has been erected 

 bearing the following inscription : 



The 

 Undeewood Febn Herbabium 



named in honob of 



LuciEN Maecus Undeewood 



1853-1907 ' 



OHAIEMAN OF THE SCIENTIFIO DIRECTOES 

 1901-1907 



In memory of the late Professor Mendeleef, 

 it is proposed to establish in St. Petersburg a 



