INDEX OF AUTHORS. 



Bandelier, A. F. — Observations on Ozone, 417. 



Bigelow, Dr. J. M. — On Waves of Atmospheric Pressure from West to 

 East along the Great Lakes, 185. 



Broadhead, G. C— On Ancient Graves in Pike county, Mo., 223. — Coal 

 Measures in Missouri, 311. 



Engelmann, Dr. George. — Meteorological Tables for 1860 and 1861, 68. 

 — Difference of Temperature and Relative Humidity in City and 

 Country, 70.— Fall of Rain and Snow from 1839 to 1861, 75.— Stage 

 of the Mississippi River at St. Louis in 1861, 79.— Meteorological Ta- 

 ble for 1862, 119.— Altitude of Pike's Peak and other Points, 126. — 

 Remarks on Nelumbeum luteum, 136. — On two species of Fungi destruc- 

 tive to Vineyards, 165. — On the Nature of the Pulp of the Cactus Fruit, 

 166. — Annual Report as President for the year 1861, 171. — On the 

 Dimorphism of Draba brachycarpa, 154. — Observations on Thunder- 

 storms, 153, 157. — On the Structure of the Fruit and Seed of the genus 

 Ribes, 180. — On a Remarkable Snowstorm, 187. — Annual Report as 

 President for the year 1862, 194. — Additions to the Cactus-Flora of the 

 United States, 197. — On a new species of Pine (Pinus aristata) and 

 some other Pines of the Rocky Mountains, 205.— New species of Gen- 

 tiana, 214.— Winter Temperature at St. Louis, 222,264. — Late Springs 

 at St. Louis, 246.— Arid Heat of September, 1864, 249.— Heavy Rains 

 at St. Louis, 266.— Meteorological Tables for 1803, 1864, and 1865, 

 297, 298, 419. — Climate at the Base of the Rocky Mountains, 226.— 

 Stage of the Mississippi River, 420. — Altitude of Long's Peak, etc., 

 285. — Gestation of Opossum, 224. — On the Fruits of Viburnum and 

 Cornus, 269. — On Nuphar polysepalum, 282.— Revision of the North 

 American Species of Juncus, 424, 590. — Annual Report as President for 

 1863, 239. — Annual Report as President for 1864, 257. — Meteorologi- 

 cal Tables for 1866 and 1867, 505, 506.— Annual Report for 1865, 550. 

 —Annual Report for 1866, 569.— Annual Report for 1867, 581. 



Engelmann, Henry. — Topaz in Utah, 114. — On the Lower Carboniferous 

 System of Southern Illinois, 188. 



Harrison, Edwin. — Age of the Porphyry Hills of Southeast Missouri, 

 504. 



Holmes, N. — Notice of Haidinger's Theory of Meteorites, 176.— On 

 Chase's Intellectual Symbolism, 226. — Remarks upon the Loess and 

 Drift, and upon the Big Mound at St. Louis, 565. 



Marco cr, Prof. Jules. — On the Dyas in Nebraska, 562. 



Owen, Prof. Richard. — On a Quaternary Rock Salt Deposit in Louisiana, 



250. 

 Parry, Dr." C. C. — Ascent of Pike's Peak, 120. — Physiography of the 

 Rocky Mountains, 272. — Account of the Passage through the Great 

 Canon of the Colorado by James White, in 1867, 499. — Character of 

 the Persistent Snow-accumulations of the Rocky Mountains, and the 

 Alpine Flora, 532. 

 Prodt, Dr. H. A. — Annual Report as President for the year I860, 145.— 



Descriptions of new species of Bryozoa, 410. 

 Sander, Dr. E.— On the Rock Salt of Louisiana, 557. 

 Shiheb, Dr. Henry. — On anew species of Icterus, 260. 



