GENERAL INDEX. 



Abies Douglassii, 121. 



Engelmanni, 122, 224, 537. 

 grandis, 121. 

 Menziesii, 121. 

 Abietinese vera3, 210. 

 Address (annual) of President, 145, 



171, 194, 239, 257, 550, 569, 581. 

 Agnotus orion, 105. 

 Albutilon Avicennae, 553, 579. 

 Allorisma antiqua, 95. 

 Alpine flora of Rocky Mts., 536. 

 Altitude of Pike's Peak, 126. 



of other points in Colorado 



Territory, 131. 

 of Long's Peak and other 

 points, 285. 

 Army-worm, remarks on, 159. 

 Arionellus bipunctatus, 101. 

 Atmospheric electricity , 3, 66, 80, 115, 

 287,290,414,526. 

 and meteorology in 1861, 16. 

 additional remarks on, 115. 

 cause of, 531. 

 effect of, on cholera, 531. 



on vegetation, 532. 

 monthly mean of, 66. 

 report of, in 1864, 287. 

 in 1865, 414. 

 in 1861-1867, 526. 

 Atmosphere, pressure of on the 



Lakes, 185. 

 Avicula magna, 98. 



Bellerophon Missouriensis, 100. 

 Bombyx graminis, 159. 

 Bryozoa, new species of, 410. 

 Bryum argcnteum, 160. 

 By-Laws, amended, 150, 584. 



Cactus, pulp and fruit of, 166. 



flora in the U. States, 197. 

 Cereus Engelmanni, 199. 

 giganteus, 547. 

 variabilis, 202. 

 viridiflorus, 199. 

 Climate at base of Rocky Mts., 226. 

 Coal Measures in Missouri, 311. 

 groups of, 325. 

 palaeontology of, 331. 

 section of, 311. 



Collection, deposit of, 192. 

 Colorado Territory, altitudes in, 126, 

 285. 

 alpine summits, 133. 

 elevations on routes, 131. 

 limit of trees, 133. 

 Conocephalites Chippewaensis, 104. 

 hamulus, 104. 

 Iowensis, 102. 

 minor, 104. 

 Wisconsensis, 103. 

 Constitution, amended, 238. 

 Conularia Osagensis, 98. 

 Corvina oscula, 265. 

 Cypricardia Chouteauensis, 96. 

 occidentalis, 96. 

 Pikensis, 95. 

 Shumardiana, 95. 

 Wheeled, 96. 



Draba brachycarpa, 154. 

 Dentalium Missouriense, 99. 

 Descriptions of new fossils, 81. 



from primordial zone, 

 101. 



palaeozoic, 108. 



of new varieties of Spi- 

 rifer, 408. 



of new species of Bry- 

 ozoa, 410. 



of new species of Cac- 

 tus, 197. 



of new species of Gen- 

 tiana, 214. 



of new species of Jun- 

 cus, 424, 490. 



of new species of Pi- 

 nus, 205. 



Dikelocephalus latifrons, 101. 

 Drift in Missouri, 565. 



in Illinois, 566. 

 Dyas in Nebraska, 562. 



section of, 563. 



Echinocactus pubispinus, 199. 



Simpsoni, 197. 



Whipplei, 199. 

 Elaeacrinus, genus of, 111. 



Kirkwoodensis, 113. 



