VI CONTENTS. 



Page 



XIII. On the Charging of Condensers hy Galvanic Batteries. By 



B. O. Peikce and R. W. Willson 146 



XIV. Classification of the Atomic Weights in Two Ascending 



Series, corresponding to the Groups of Artiads and 

 Perissads. By W- R. Livermohe 164 



XV. Neutralization of Induction. By John Trowbridge and 



Samuel Sheldon 176 



XVI. The Magnetism of Nickel and Tungsten Alloys. By John 



Trowbridge and Samuel Sheldon 181 



XVII. T'he Mecanique Celeste of Laplace-, and its Translation loith 



a Commentary by Bowditch. By Joseph Lovering . 185 



XVIII. On a New Method of determining Gas Densities. By 



JosiAH Parsons Cooke 202 



XIX. 071 the Action of Sodium Malonic Ester on Tribromdinitro- 



benzol. By C. Loring Jackson and W. S. Robinson 234 



XX. On some Nitro Derivatives of Metahromtoluol. By W. B. 



Bentley and W. H. Warren 250 



XXI. On the Action of Sodium Malonic Ester upon I'ribromti-ini- 

 trobenzol. By C. Loring Jackson and George Dun- 

 ning Moore 256 



XXII. On the Action of Sodium Acetacetic Ester upon Tribromdi- 

 nitrobenzol. By C. Loring Jackson and George 

 Dunning Moore 271 



XXI n. On Tefrabromdinitrohenzol By C. Loring Jackson and 



W. D. Bancroft ' 288 



XXIV. General Considerations in regard to Certain Compounds 



prepared from Bromnitrobenzols. By C. Loring Jackson 306 



XXV. Features of Crystalline Growth. By Oliver Whipple 



Huntington 313 



XXVI. I. On Chlorpyromucic A rids. By Henry B. Hill and 



Louis L. Jackson 320 



II. On Certain Derivatives of Furfuracrylic Acid. By 



H. B. Gibson and C. F. Kahnweiler . . . 364 



III. On the so called Dioxymaleic Acid. By W. S. 



Hendrixson 376 



