SCIENCE. 



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SCIENCE 



A. WEEKLY JOXJR.lSrA.I_. OF SCIENTIFIC PROGRESS 



Vol. II, No. 49, ------- June 4, 1881. 



CONTENTS. 



Want of Astronomical Record for America (Edit.); American Chemical Society; Sleep and Somnambulism, by M. 

 Regnard, translated by the Marchioness Clara Lanza ; Fossil Organisms in Meteorites, Dr. D. W. Rachel's ; Limax 

 Maximas, J. W. Pillsbury ; Spectrum Analysis, Norman Lockyer ; A New Discovery in Photography, Mr. W. 

 Warnerke ; Estimation of Fat in Milk, Wm. Johnson ; Electric Railway ; Astronomical Memoranda ; Review of 

 Second Report of the United States Entomological Commission, R. C. S. ; Notes, &c, &c, &c. 



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Single Numbers, Ten Cents. 



