724 



SCIENCE. 



[N. S. Vol. 1. No. 26. 



high voltage citj^ current is rendered readily 

 available for low voltage instruments such 

 as telegraph instruments, telephones, elec- 

 tric forks, bells, induction coils, etc. The 

 General Electric Company has acquired pat- 

 ent rights. The details of the instrument 

 will be made public as soon as the foreign 

 patents are issued. 



De. H. W. Williams, a distinguished 

 opthalmological surgeon of Boston and 

 author of several works on diseases of the 

 eye, died at Boston on June 13th at the age 

 of seventy-three j^ears. 



Pkof. Michael Foster has now prepared 

 an abridgement of his classical text-book 

 of physiology, which in the sixth edition of 

 five volumes had reached a size too large 

 for the needs of the medical student. The 

 abridged edition is published by Macmillan 

 & Co. in an octave volume of about 1000 

 pages. 



Me. Eewin F. Smith, of the Agricultural 

 Department, has become one of the associate 

 editors of The American Naturalist, taking 

 charge of the department of vegetable phys- 

 iology. 



Macmillan & Co. announce the third 

 edition of Graduate Courses, edited by C. A. 

 Duniway, Harvard Graduate Club, assisted 

 by graduate students representing twenty 

 leading American universities. The work 

 gives the advanced courses of instruction to 

 be offered for 1895-6 in Barnard, Brown, 

 Bryn Mawr, California, Chicago, Clark, 

 Columbia, Cornell, Harvard, Johns Hop- 

 kins, Michigan, Minnesota, Pennsylvania, 

 Princeton, Eadcliffe, Stanford, Vander- 

 bilt. Western Reserve, Wisconsin and Yale. 

 Much valuable information is included re- 

 garding the conditions of advanced work at 

 these universities. 



At the commencement of the University 

 of Pennsylvania a bronze bust of the late 

 Professor Joseph Leidy was presented by 

 Dr. Harrison Allen. 



SiE Aechibald Geikie has been elected 

 a corresponding member of the Vienna 

 Academy of Sciences. 



Professor Simon Newoomb was elected 

 on June 16th an associate academician of 

 the Academic des Sciences to fill the va- 

 cancj' caused by the death of von Helm- 

 holtz. 



Mrs. Cornelia Phillips Spencer has re- 

 ceived the degree of LL. D. firom North 

 Carolina State University. 



At the summer meeting of the Univer- 

 sity Extension Society of Philadelphia, July 

 1-26, Courses in literature and history, 

 psychology, music, biology, mathematics, 

 civics and politics will be offered. The 

 courses in science are as follows: 



Psychology of the Normal Mind, hy Wil- 

 liam Romaine Newbold, Ph. D., Penna.; 

 Physiological Psychology of Adult and 

 Child, by Lightner Witmer, Ph. D., Penna.; 

 Hypnotic and Kindred Abnormal States of 

 Mind, by Willian Romaine Newbold, Ph. 

 D.; Anatomy and Physiology of the Ner- 

 vous Sj^stem, bj^ Lightner Witmer, Ph, D.; 

 Experimental Methods of Child Study, by 

 Lightner Witmer, Ph. D.; Botany, by W. 

 P. Wilson, Sc. D., Penna.; Systematic Bot- 

 anj^, by J. M. Macfarlane, Sc. D., Penna.; 

 Vertebrate Zoology, by Edward D. Cope, 

 Ph. D., Penna.; Invertebrate Zoologj^, by 

 J. S. Kingsley, S. D., Tufts ; The Lower 

 Plants, by Byron D. Halsted, Sc. D., Rut- 

 gers; Biology in Elementary Schools, by L. 

 L. W. Wilson, Philadelphia Normal School; 

 How Garden Varieties Originate, bj' L. H. 

 Bailey, M. S., Cornell; Relation of Certain 

 Plants to Political Economy, by George L. 

 Goodale, LL. D., Harvard; The New Evo- 

 lution, by Charles O. Whitman, Ph. D., 

 Chicago; Higher Mathematics, Algebra, 

 Modern Geometry, Etc., hj Isaac J. 

 Schwatt, Ph. D., Penna. 



The first number of a series of Princeton 

 Contributions to Psychology has been issued 



