CONTENTS 



Bandelier — Observations on Ozone 417 



Broadhead — Ancient Graves in Pike County 223 



" Coal Measures of Missouri 311 



Engelmann — Winter Temperature in St. Louis 222, 264 



" Late Springs in St, Louis 246 



" Arid Heat of September, 1864 249 



" Heavy Rains at St. Louis 266 



" Meteorological Tables for 18*63, 1864, and 1865 297, 298, 419 



" Climate at the base of Rocky Mountains 226 



" Stage of the Mississippi River.. .„ 420 



" AUitude 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 



" President's Annual Report for 1863 239 



« « " " " 1864 257 



Holmes — On Prof. Chase's Intellectual Symbolism 226 



Owen — On a quarternary Rock Salt Deposit in Louisiana 250 



Parry — Physiography of the Rocky Mountains 272 



Prodt — New Bryozoa 410 



Shimer— On a new Icterus 260 



Siicmard — On Oil Springs in Missouri 263 



" Catalogue of the paloezoic Echinodermata in North America 334 



Swallow — New varieties of Spirifer 408 



" Fossil Horse in Kansas 418 



Wislizenus— On Atmospheric Electricity, etc 287, 414 



" Thoughts on Matter and Force 299 



Journal of Proceedings 220-271 



