512 



SCIENCE 



[N. S. Vol. XXXVI. No. 929 



by Director Clarke to Professor Osbom and 

 to the past and present members of the State 

 Geological Survey staff at wbich covers vcere 

 laid for about forty guests. Among those 

 present were Dr. Charles D. Walcott, Dr. 

 George F. Kunz, Professor James F. Kemp, 

 Professor H. P. Gushing, Professor H. S. Wil- 

 liams, Professor Charles Schuchert, Dr. H. S 

 Fairchild, Dr. E. 0. Hovey, Dr. C. S. Prosser 

 Dr. E. O. Ulrich, Dr. E. M. Kindle, Dr. P. E 

 Eaymond, Dr. C. E. Eastman, Dr. H. B, 

 Kiimmel, Dr. John C. Smock, Dr. J. B. Wood- 

 vrorth. Professor Gilbert Van Ingen, Dr. J. H, 

 Stoller, Dr. C. P. Berkey, Professor H. P, 

 Cleland, Professor C. E. Gordon, Professor 

 A. W. Grabau, Dr. W. D. Matthew, Professor 

 T. C. Hopkins and Professor W. J. Miller. 



The scientific and operative staff of the 

 Pennsylvania Chestnut Tree Blight Commis- 

 sion is now completed, and is as follows : 



Pathologist — F. D. Heald, until recently pro- 

 fessor of botany in the University of Texas. 



Field Pathologist — Paul J. Anderson. 



Entomologist — A. G. Euggles, previously asso- 

 ciate entomologist of the Minnesota State Experi- 

 ment Station. 



Forester in Charge of Utilisation — J. P. Went- 

 ling, recently professor of sylvies in the Minne- 

 sota State School of Forestry. 



Physiologist in Charge of Tree Medication — 

 Caroline Rumbold, formerly of the Missouri Bo- 

 tanic Garden. 



Geographer — P. P. Gulliver, formerly of the 

 U. S. Geological Survey. 



Tree Surgeon — Roy G. Pierce, formerly of the 

 U. S. Forest Service. 



Chemist — Jos. Shra-wder. 



Assistant Pathologists — W. H. Blza, E. D. 

 Spencer, C. A. Gates, D. C. Babcock, J. F. Bur- 

 rows and B. 0. Walton. 



Mr. Joseph C. Bock, formerly instructor 

 in chemistry at Michigan Agricultural Col- 

 lege, has been appointed chemist in the . Nu- 

 trition Laboratory of the Carnegie Institution 

 of Washington, Boston, Massachusetts. 



Mr. James H. Gardner, formerly assistant 

 geologist on the TJ. S. Geological Survey, 

 who has recently been engaged in work on the 

 clays, coals and oil fields for the State Geo- 

 logical Survey of Kentucky, has been engaged 



by the Topographic and Geologic Survey of 

 Pennsylvania and given charge of the mapping 

 and general study of the Broad Top Coalfield, 

 with field headquarters at Hopewell, Pa. 



Joseph F. Brewster, A.B. (Delaware, '98), 

 Ph.D. (Berlin, '12), has been added to the 

 staff of the chemical division of the North 

 Carolina Agricultural Experiment Station at 

 West Raleigh. He will assist in the investi- 

 gation of the toxicity of cotton seed meal. 



Waldemar T. Schaller, Ph.D. (Munich), 

 mineralogist and chemist of the United 

 States Geological Survey, has returned to 

 duty after six months leave of absence. Most 

 of the time was spent in Germany at the uni- 

 versities of Munich and Heidelberg, but nearly 

 all the chief mineral collections of Europe 

 were also visited and studied. 



Professor Azariah S. Root, who returns 

 to Oberlin College from a half-year leave of 

 absence for study abroad, has completed some 

 investigations in connection with the prob- 

 lems of early printing. Professor Root, who 

 is professor of bibliography and college li- 

 brarian, conducted special research work in 

 the John Rylands Library, Manchester, Eng- 

 land, the Bodleian, the British Museum, and 

 the Bibliotheque Nationale in Paris, supple- 

 mented by later travel in Belgium and Holland 

 to determine whether Johann Gutenberg of 

 Mainz or Laurenz Coster of Haarlem was the 

 originator of printing by movable types. 



In the proceedings of the Minneapolis meet- 

 ing of the American Association for the Ad- 

 vancement of Science, the death is announced 

 of Charles Frederick Shaw, of State College, 

 Pa., the name having been confused with that 

 of Charles H. Shaw, of Ambler, Pa., who was 

 drowned in Canada. Professor C. F. Shaw 

 writes to the permanent secretary of the as- 

 sociation : " I wish to say that to the best of 

 my knowledge I did not die in 1911, nor have 

 I been dead at any time since. At least my 

 life insurance policy is still in force and I am 

 carrying on the work that I have been doing 

 during the past years. I have interviewed 

 several of my co-workers, all of whom have 

 assured me that I am still living and with this 



