600 



GENERAL INDEX. 



Electricity (atmospheric), 3, 287, 526. 

 diagrams of, 80, 298. 

 observations in 1861-1865, 



414. 

 observations in thunder- 

 storms, 529. 

 observations in rain, snow, 



and fog, 530. 

 remarks on, 115, 290. 

 report of, 287. 

 tables of, 66,115,287. 

 Electrometer, Dellman's, 4. 



an indicator of storms, 

 250. 

 Elevation of points in Colorado Ter 

 ritory, 126, 285. 

 of Low-water mark at N. 

 Orleans, 144. 

 Echinodermata, bibliography of, 335. 

 catalogue of North 



American, 341. 

 table of genera and 

 species, 401. 

 Euomphalus Boonensis, 99. 



perspectivus, 98. 



Fenestella bifurcata, 411. 

 dilata, 411. 

 nodosa, 410. 

 Flint implements, 238. 

 Flora, alpine, 539. 



of the Rocky Mountains, 536. 



of cactus in the U. States, 197. 



Fog in relation to electricity, 528. 



Formation, carboniferous, in Ills., 188. 



cretaceous, in Texas, 152, 



153. 

 permian, in Kansas, 507. 

 of prairies, 567. 

 Fossils, of dicotyledonous leaves, 140, 

 234. 

 of mammalia in Texas, 140. 

 catalogue of palaeozoic, 334. 

 descriptions of, 81, 101, 108 



408, 410. 

 of the horse in Kansas, 418. 

 Fungi destructive to vineyards, 165, 



Graves, Indian walled, 223. 

 Gentiana barhellata, 216. 



heterosepala, 215. 



humilis, 217. 



new species of, 214. 



prostrata, 217. 



l'arryi, 218. 



Wislizeni, 215. 

 Goniatites Cboetawensis, 109. 



Texanus, 109. 

 Guyot, Mt., 125. 



Horse, in drift of Kansas, 418. 



Humidity, 16, 67, 73. 115, 287, 298, 

 527. 



Icterus, new species of, 260. 



Juncus, geographical distribution of, 



437. 

 index of species of, 497. 

 revision of N. Amer. species 



of, 424, 438, 590. 

 systematic arrangement of, 



433. 

 acuminatus, 590. 

 acutus, 438. 

 alpinus, 458. 

 areticus, 445. 

 articulatus, 458. 

 Balticus, 441. 

 biglumis, 447. 

 Breweri, 440. 

 bufonius, 451. 

 castaneus, 448. 

 compressus, 440. 

 Cooperi, 590. 

 dichotomus, 450. 

 Drummondii, 445. 

 efhisus, 443. 

 falcatus, 452. 

 filiformis, 443. 

 Gerardi, 451. 

 Greenii, 449. 

 Hallii, 446. 

 leptoeaulis, 454. 

 longistylis, 453. 

 marginatus, 454. 

 Parryi, 446. 

 patens, 443. 

 pelocarpus, 455. 

 procerus, 442. 

 repens, 452. 

 Roemerianu8, 439. 

 setaceus, 444. 

 Smithii, 444. 

 stygius, 44s. 

 tenuis, 450. 

 trifidus, 447. 

 triglumis, 448. 

 Vaseyi, 44,s. 

 Kansas, geology of, 507. 

 Koninckina Americana, 94. 



Leaves, fossil, in Nebraska. 234. 



in Texas, 140. 

 Library, report on, 571. 

 Lituites complanata, 107. 

 Long's Peak, altitude of, 285. 



excursion to, 278. 

 Loess of Missouri and Illinois. 565. 

 Low-water mark at N. Orleans, 144. 



Macrocheilus Cooperensis, 100. 



