44 WASHINGTON ACADEMY OF SCIENCES 



Bemsen, Ira, M.D., Ph.D., LL.D., 



Editor Am. Chem. Jour. ; Member Nat. Acad. Sci. ; Foreign Member Chem. Soc. 

 Ivond., etc.; Professor of Chemistry and President of Johns Hopkins Uni- 

 versity, Baltimore, Md. 



Richards, Theodore William, B.S., A.M., Ph.D., 



Member Nat. Acad. Sci.; Am. Chem. Soc. ; Fellow Am. Ass. Adv. Sci., etc.; Pro- 

 fessor of Chemistry, Harvard University, Cambridge, Mass. 75 Fallen Street. 



Riis, Jacob August, 



Richmond Hill, N. Y. 52^ North Beech Street. 



Rising, Willard Bradley, M.E., Ph.D., 



Professor of Chemistry, University of California, Berkeley, Calif. 



Ritter, William Em.ersoii, A.M., Ph.D., 



Associate Editor Am. Nat. ; Fellow Am. Ass. Adv. Sci.; Ex-president Cali- 

 fornia Academy of Sciences, etc.; Associate Professor of Zoology, University 

 of California, Berkeley, Calif. 24J4 Durant Avenue. 



Robinson, Benjamin Lincoln, Ph.D., 



Fellow Am. Ass. Adv. Sci.; Am. Acad. Arts and Sci. ; Member Bot. Soc. Am.; 

 Editor of Synoptical Flora of North America, and of Rhodora, Journal of the 

 New England Botanical Club; Asa Gray Professor of Systematic Botany, 

 Harvard University, Cambridge, Mass. Gray Herbarium, Cambridge, Mass. 



Roth, Filibert, A.B., 



Professor of Forestry, Cornell University, Ithaca, N. Y. /jjj T Street, Wash- 

 ington, D. C. 



Runkle, John Daniel, A.M., Ph.D., LL.D., 



Fellow Am. Ass. Adv. Sci. ; Member Am. Acad. Arts and Sci., etc.; Professor of 

 Mathematics, Massachusetts Institute of Technology, Boston, Mass. 15 Everett 

 Street, Cambridge, Mass. 



Salisbury, Rollin D, A.M., Ph.D., 



Associate Editor Journ. Geol.; Fellow Geol. Soc. Am.; Am. Ass. Adv. Sci.; 

 Geologist, U. S. Geol. Surv. and Professor Geog. Geol., University of Chiago, 

 Chicago, III. 



Sargent, Charles Sprague, LL.D., 



Member Nat. Acad. Sci.; Am. Acad. Arts and Sci.; Am. Phil. Soc, etc. Director 

 Arnold Arboretum, Jamaica Plain, Mass. 



Scott, William Berryman, Ph.D., 



Professor of Geology and Paleontology, Princeton University, Princeton, N. J. 



Seligmann, Edwin Robert Anderson, LL.B., Ph.D., 



Corr. Member Russian Imp. Acad. Sci.; Am. Econ. Ass., etc.; Editor Pol. 

 Sci. Quar.; Professor of Polit. Econ. and Finance, Columbia University, New 

 York. J24 West 86th Street. 



Senn, Nicholas, M.D., Ph.D., LL.D., 



Member Am. Med. Soc. ; Am. Surg. Ass., etc. ; Surg. Gen. of Illinois ; Professor 

 of Surgery in Rush Medical College and Lecturer on Military Surgery, Univer- 

 sity of Chicago, Chicago, 111. ^j2 Dearborn Avenue. 



Setchell, William Albert, A.M., Ph.D., 



Member of Pub. Committee and Botanical Editorial Committee, California Acad- 

 emy of Sciences, Professor of Botany, University of California, Berkeley, Cal. 



