SCIENCE 



Editobial Committee : S. Newcomb, Mathematics ; E. S. Woodward, Mechanics ; E. C. Pickeeistg, As- 

 tronomy ; T. C. Mendenhall, Physics; E. H. Thukston, Engineering; IBA Eemsen", Chemistry:; 

 J. Le Conte, Geology; W. M. Davis, Physiograpliy; O. C. Marsh, Paleontology; W. K. Bbooks, 

 Invertebrate Zoology ; C. Habt Mereiam, Vertebrate Zoology ; S. H. Scuddee, Entomology ^ 

 N. L. Beitton, Botany ; Heney F. Osboen, General Biology ; H. P. Eowditch, 

 Physiology ; J. S. Billings, Hygiene ; J. McKeen Cattell, Psychology ; 

 Daniel G. Beinton, J. W. Powell, Anthropology. 



Friday, September 6, 1895. 



CONTENTS: 



Sevenih Summer Meeting of the Geological Society of 

 America: J. F. KEMP 277 



The Belaiions of the Industries to the Advancement of 

 Chemical Science : William McMuetie 283 



American Microscopical Society 296 



Engineering Notes : — 298 



The British Institute of Mechanical Engineers; 

 The Congress of Sanitary Engineers and Architects ; 

 General: E. H. Thueston. 



Scientific Notes and News 299 



University and Educational News 301 



Correspondence : — 303 



The Nature of Votoels: WESLEY MILLS. The 

 ' Date of Publication ' in the Light of the Law of 

 Priority : Heebert Haviland Field. Electric. 

 Storm on Mount ElleH, Colorado: P. A. Welkeb. 



Scientific Literature : — 306 



Gage's Principles of Physics: W. Le Conte 

 Stevens. EngeVs Theorie der Parallellinicn ron 

 Euclid bis auf Gauss : Geoege Bruce Halsted. 

 Boas' Chinook Texts, Nicolar's Life and Traditions 

 of the Bed Man : A. S. G. Dennert's Vergleichende 

 Pfianzenmorphologie : John W. Haeshberger. 



Scientific Jottrnals : — 312 



Tlie Botanical Gazette ; Psyche. 



New Books 312 



MSS. intended for publication and books, etc., intended 

 for review should be sent to the responsible editor, Prof. J. 

 McKeen Cattell, Garrison on Hudson, N. Y. 



Subscriptions and advertisements should be sent to Science, 

 41 N. Queen St., Lancaster, Pa., or 41 East 49th St., New York. 



SEVENTH SUMMER MEETING OF THE GEO- 

 LOGICAL SOCIETY OF A3IEBICA. 

 The seventh summer meeting of the 

 Geological Society of America convened 

 in Springfield, Mass., August 27th and 

 28th, 1895. The Council assembled the 

 evening before, prepared the program of 



the meeting and formulated such othra" 

 business as was necessary to present to the 

 Society the following day. The fellows and 

 and their friends to the number of thii-ty- 

 five assembled in the new City Art Musetrm 

 at 10 A. M., August 27th. The meetmg 

 was called to order by President Shaler^, 

 who introduced Dr. William Rice, Secre- 

 tary of the Library Association of Spring- 

 fleld. Dr. Eice welcomed the Society in a 

 few happily chosen remarks, irom which 

 the Society learned that they were the fii-st 

 organization to occupy the buUding. Pres- 

 ident Shaler replied to the address. Brief 

 memorial mention was made of Professor 

 Henry B. Nason, of Troy, and Professor 

 James D. Dana, of ISTew Haven, the two 

 fellows who had passed away since the last 

 meeting. ° Extended memorials were, how- 

 ever, postponed to the winter meeting, ac- 

 cording to the usual custom. The Secre- 

 tary announced the election of the follow- 

 ing fellows : S. P. Baldwin, Cleveland ; O. 

 C. Farrington, Chicago ; Gr. P. Grimstey, 

 Topeka, Kansas ; F. P. Gulliver, Norwich, 

 Connecticut ; J. B. Hatcher, Princeton, 

 New Jersey ; E. B. Matthews, Baltimore ; 

 J. C. Merriam, Berkeley, CaKfornia ; H. 

 B. C. Nitze, Baltimore; P. L. Ransome, 

 Berkeley, California; Charles Schuchert, 

 Washington, D. C; J. A. Taff, Washing- 

 ton, D. C. The report of the committee on 

 the preparation of a card catalogue of sci- 

 entific literature, which was printed in the 



