VI CONTENTS. 



Page. 



Botany, by J. M. Coulter 747 



PhsenGgamia found on both slopes, (list) 753 



only on the eastern slope, (list) 725 



only on the western slope, (list) 757 



Cyperacese, by S. T. Olney 785 



Graminacese, by Geo. Vasey 765 



Musci, by Leo. Lesquereux 7£8 



Lichens, by Henry Willey 790 



Fungi, by Chas. H. Peck 792 



PART IV. 



Astronomy and hypsometry 793 



Eeport on astronomy and hypsometry, by Henry Gannett 795 



Notes on the climate of Montana, by Granville Stuart 809 



E6sum6 of meteorological observations taken at Fort Ellis, Montana 811 



General index - 819 



Index of systematic names „ 833 



LIST OF NEW SPECIES DESCEIBED. 



Minerals : 



Pealite ■ 153 



Blackmorite 169 



Fossil Plants: 



Ophioglossum Alleni 371 



Planera longifolia , 371 



Sequoia angustifolia 372 



Thuya Garmani 372 



Abies Nevadeusis , 372 



Chondrites subsimplex 373 



bulbosus 373 



Halymenites striatus 373 



major 373 



Delessaria incrassata 374 



liugulata 374 



Dombeyopsis obtusa 375 



Sclerotium rubelkim 375 



Delesseria fulva 376 



Pteris anceps 376 



Sabal Goldiana 377 



Quercus stramineus 378 



Ulmus irregularis 378 



Ficus spectabilis 379 



auriculata ". '. 379 



Cissus Isevigatus 380 



Dombeyopsis trivialis 380 



oecideutalis 380 



Sapindus caudatus 380 



Ceauothus fibrillostis 381 



Ehamnus Cleburni 371 



Goldiauus 381 



Caulinites fecunda • 384 



Cercis eocenica 384 



Populus decipiens 385 



Ficus oblauceolata 1' 387 



