CONTENTS. 



Page 

 I. Oxygen in the Sun. By John Trowbridge and C. C. 



HUTCHINS 1 



II. On the Existence of Carbon in the Sun. By John Trow- 

 bridge AND C. C. HUTCHINS 10 



III. On the Existence of certain Elements, together icith the Dis- 



covery of Platinum, in the Sun. By C. C. Hutchins 



AND E. L. HOLDEN 14 



IV. The Action of Fluoride of Silicon on Organic Bases. By 



Arthur M. Comey and C. Loring Jackson ... 20 



V. Catalogue of all Recorded Meteorites. By Oliver Whipple 



Huntington, Ph. D 37 



VI. On the Structure of the Frond in Champia parvula, Harv. 



By Robert Payne Bigelow Ill 



VII. Silicotetrafluorides of Certain Bases. By Arthur M. Comey 



and F. W. Smith 122 



VIII. An Empirical Ride for Constructing Telephone Circuits. By 



William W. Jacques 125 



IX. On Tribromtrinitrooenzol. By C. Loring Jackson and 



John F. Wing 138 



X. The Relative Values of the Atomic Weights of Hydrogen and 

 Oxygen. By Josiah Parsons Cooke and Theodore 

 William Richards 149 



