SCIENCE 



FRmAY, July 16, 1915 



CONTENTS 

 Investigations at the Nutrition Laboratory of 

 the Carnegie Institution of Washington: 

 Peofessok Fkancis G. Benedict 75 



Neandertal Man in Spain; the Lower Jaw of 

 Banolas: Professor Georce Geant Mac- 

 Curdy 84 



California Meeting of the Geological Society 

 of America: Db, Edmund Otis Hovet 86 



Scientific Notes and News 87 



University and Educational News 88 



Discussion and Correspondence: — 

 Application of Fetrographic Methods to 

 Analytical Chemistry: William H. Fry. 

 To the American Physical Society: Peo- 

 rEssoEs Fernando Sanford and E. P. 

 Lewis. A Correction: Dr. Francis B. Sum- 

 nee. A ChicTcen with Four Legs: De. C. D. 

 Peeeine 89 



Scientific BooTcs: — 



Gurwitsch's Vorlesungen iiber allegemeine 

 Histologie: Professor Feedeeic T. Lewis. 

 Bindle on Flies in relation to Disease: W. 



D. HUNTEE 91 



Special Articles: — 



The Diffusion of Gases at Loiv Pressures 

 made Visible by Color Effects: Professor 

 Chas. T. Knipp 93 



The New Orleans Meeting of the American 

 Chemical Society: Dr. iChas. L. Parsons. 94 



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

 review should be sent to Professor J. McKeen Cattell, Garrison- 

 on-Hudson. N. Y. 



INVESTIGATIONS AT TSE NUTRITION 

 LABOBATOBY OF TBE CABNEGIE IN- 

 STITUTION OF WASHINGTON, 

 BOSTON, MASSACHUSETTS^ 



Contrary to popular opinion the re- 

 searches of the Carnegie Nutrition Labo- 

 ratory do not follow for the most part the 

 conventional lines of "nutrition investiga- 

 tions" with special emphasis upon the eco- 

 nomic and sociological phases of the work. 

 The admirable facilities and equipment of 

 the United States Department of Agricul- 

 ture fortunately make this unnecessary. 

 The Carnegie Laboratory is, however, an 

 outcome of the national nutrition investi- 

 gations, for the late Professor "W. 0. At- 

 water, who was a pioneer in nutrition in- 

 vestigations of this couutry, wisely devoted 

 a part of the government appropriation for 

 nutrition investigations to an abstract 

 study of the physiological effects of various 

 nutrients upon the human body. This 

 work was carried out in the chemical labo- 

 ratory of Wesleyan University, Middle- 

 town, Conn., and resulted in the construc- 

 tion of a special form of apparatus for 

 studying both the respiratory products and 

 the direct heat production of man, an 

 apparatus properly designated by Professor 

 Atwater as a "respiration calorimeter." 

 Subsequently the board of trustees of the 

 Carnegie Institution of Washington author- 

 ized the construction of a special laboratory 

 for similar research in Boston. 



It was believed that the appropriation 

 for this laboratory, for a time at least, 

 could best be subdivided into three main 



1 An address delivered before the department of 

 chemistry at Vassar College, Poughkeepsie, New 

 York, on May 10, 1915. 



