INDEX. 



Acids, on the Diiobroraacrylic and 



Chlorbromacrylic, 235, -115. 

 Acids, Complex Inorganic, Re- 



seaixhes on, 109. 

 Acrylic Acids, substituted from 



Bronipropiolic acid, 211. 

 Aphanostephus Arizouicus, 81. 



Arcansanus, 81. 



Hallii, 81. 



humilis, 81. 



ramosissimus, 81. 



ramosus, 81. 

 Aplopappus Greeni, 80. 



integrifolius, 79. 



mollis, 80. 



Watsoni, 79. 

 Arsenio-Tungstates, 131. 

 Asclepias euphorbiajfolia, 104. 



puberula, 101. 



quinquedentata, 103. 



Scbaft'neri, 103. 



uncialis, 103. 



Wriglitii, 102. 

 Aster Aniellastrum, 97. 



Biotia, 97. 



Conyzopsis, 99. 



Cusikii, 99. 



Doelingeria, 98. 



Euaster, 98. 



Heleastrura, 97. 



Hesperastrura, 97. 



lanthe, 98. 



Machteranthera, 99. 



Megalastrum, 97. 



Orthomeris, 98. 



Oxytripolium, 98. 

 Astragalus Greenei, 105. 



B. 



Benzylbromides, substituted, 211. 

 Benzyl compounds, substituted, G3. 



Bolometer, the, and Radiant Eu 

 ergy, 312. 



Botany, North American, contribu- 

 tions to, 78, 411. 



C. 



Chsetopappa asteroides, 82. 



mode.sta, 82. 



Parry i, 82. 

 Committees, 412, 413. 

 Comnuxnications : — 



J. E. Bullard, 46. 



Chas. R. Cross, 153. 



John William Diaper, 223. 



Wolcott Gibbs, 109. 



Asa Gray, 78. 



James Jay Greenough, 58. 



Charles S. Hastings, 140. 



G. F. Hartshorn, 56. 



Henry B. Hill, 155. 



C. Loring Jackson, 63, 241. 



F. E. Kidder, 285. 



S. T. Langlev, 342. 



Rachel Lloyd', 235. 



Joseph Lovering, 292. 



C. F. Mabery, 235. 



C. B. Penrose, 47. 



Edward C. Pickering, 1, 257, 



364, 370. 

 H. A. Rowland. 38. 

 Arthur Searle, 370. 



D. P. Todd, 35.1. 

 L. Trouvelot, 299. 

 John Trowbridge, 58. 

 O. C. Wendell,\370. 

 J. Fleminir Wliite, 63. 

 Harold Whiting, 322. 

 William C. A\'inlock, 398. 



Council, Report of the, 427. 



Crooke's Tube, Acoustic Phenom- 

 enon noticed in a, 153, 414. 



Curves, Lissajous, Anticipation of 

 the, 292, 421. 



