OF ARTS AND SCIENCES. 507 



On the Cupriammonium Double Salts. Second Paper. 

 By Theodore W. Richards and A. H. Whitrido-e. 



On the Cupriammonium Double Salts. Third Paper : 

 Compounds of Iodine. By Theodore W. Richards and G. 

 Oenslager. 



On a Series of Cupraniline Compounds. By Theodore W. 

 Richards and F. C. Moulton. 



Euglenopsis, a new Alga-like Organism. By Bradley Moors 

 Davis. 



New Plants of Northwest Mexico, collected by Messrs. C. 

 V. Hartman and C. G. Lloyd upon the Lumholtz Archgeologi- 

 cal Expedition. By B. L. Robinson and M. L. Fernald. 



On the Cell Lineage of the Ascidian Egg. A Preliminary 

 Notice. By W. E. Castle. 



The North American Ceuthoj)hili. By S. H. Scudder. 



Researches on Electrical Waves. By John Trowbridge. 



On the motion of the Corresponding Secretary, it was 



Voted, That the Rumford Committee be directed to defray 

 the cost of the publication of John Trowbridge's paper on 

 " Electrical Waves " from the income of the Rumford Fund. 



Eight hundred and sixty-eighth Meeting. 



October 10, 1894. — Stated Meeting. 



The Vice-President in the chair. 



The Corresponding Secretary read the following letters : 

 from the Scientific Alliance of New York, requesting the co- 

 operation of the Academy in the endeavor to obtain a reduc- 

 tion of postage rates on natural history specimens ; from the 

 Royal Society of New South Wales, offering its medal and 

 twenty-five pounds for the best communication containing the 

 results of original researches on a series of specified topics ; 

 from the Imperial Russian Geographical Society, enclosing 

 a copy of a pamphlet " Respecting the Necessity of an Inter- 

 national Agreement with regard to the Publication of Material 

 contained in Naval Meteorological Journals, a Memorandum 

 drawn up by Rear Admiral Makaroff, St. Petersburg," and 



