CONTENTS 



The Formation of Coal Beds. By John J. Stevenson i, 519 



The Transpiration of Air through a Partition of Water. By 



C. Barus 117 



EIHptic Interference with Reflecting Grating. By C. Barus. . . 125 

 On the TotaHty of the Substitutions on 11 Letters which are 

 Commutative with every Substitution of a Given Group on 



the same Letters. By G. A. ]\Iiller 139 



Notes on Cannon — Fourteenth and Fifteenth Centuries. By 



Charles E. Dana 147 



Aloreau de Saint Alery and his French Friends in the American 



Philosophical Society. By Joseph G. Rosengarten 168 



The New History. By James Harvey Robinson 179 



The Atomic Weight of \*anadium determined from the Labor- 

 atory Work of Eighty Years. By Dr. Gustavus X). Hin- 



richs 191 



The Origin and Significance of the Primitive Nervous System. 



By G. H. Parker 217 



The Stimulation of Adrenal Secretion by Emotional Excite- 

 ment. By W. B. Cannon, U.D 226 



The Cyclic Changes in the Mammalian Ovary. By Leo Loeb. . 228 



The Solar Constant of Radiation. By C. G. Abbot 235 



Self-luminous Night Haze. By E. E. Barnard 246 



Spectroscopic Proof of the Repulsion by the Sun of Gaseous 

 Alolecules in the Tail of Halley's Comet. By Percival 



Lowell 254 



The New Cosmogony. By T. J. J. See 261 



The Extension of the Solar System Beyond Neptune, and the 

 connection existing between Planets and Comets. By T. J. 



J. See 266 



The Secular Effects of the increase of the Sun's Mass upon the 

 Alean Motions, Major Axes and Eccentricities of the Orbits 



of the Planets. By T. J. J. See 269 



On the Solution of Linear Dift'erential Equations of Successive 



Approximations. By Preston A. Lambert 274 



iii 



