General Index. 



507 



Diphtheria lvi 

 Dissemination lxvi 

 Double stars lx, 299 

 Drift xl, 121, 126, 129, 130 

 Droughts xlviii 

 Dufrenite 128 



Ecology lv, lvii, lxvi, 151 

 Electrical capacity xliii, 109 



energy xlii, 109 



rays lii 



Electrified systems, lines of force 



of, lv, lx, 201, 273 

 Energy of electrical charge xlii, 109 

 Entomology of St. Louis lviii 

 Essonite 130 

 Ether theories lxxv 

 Exchanges xiii, xlii, 1, lxiii, lxxix 

 Eye, anatomy of, lii 



Ferro-Goslarite 127 



Fibers li 



Fire clay 130 



Flexure of telescopes lvii, 243 



Flint fire clay 130 



Flora of Cienfuegos, Cuba lxxiv, 



393 

 Flowers and insects lv, lvii, 151 

 Formulae of Herbart lvi 

 Friction of trains on air lxiv 



Gas, natural, 131 



forming bacteria xlv 



Gastrolith 495 

 Geissler tube lii 

 Geodes 129 

 Geology of Missouri xl 



of St. Louis lxx 



Geometrical constructions of lines 



of force lv, lx, 201, 273 

 Germination of Ustilagineae lviii, 



229 

 Glacial drift xl, 121 

 Glaciers of Greenland xliii 

 Gold 126 

 Goslarite 127 

 Grain insects lii 

 Granite 128-130 



Hair balls lxvii, 493 

 Haleakala lxxv 



Harrison, Edwin, elected a patron 

 lx 



Hawaiian Islands lxxv 



Helium xlv, xlix 



Hellbender 503 



Von Helmholtz, Hermann. Memo- 

 rial xliv, li, liii, lxxi 



Hematite 130 



Herbart's formulae lvi 



History of Academy xxxv, lxxi 



Hot waves xlviii 



Humerus, aberrant, lxxvii 



Huxley, T. H. Memorial li, liii 



Hyalite 129 



Hydrogen, sulphuretted, 131 



Hyperion xlvii 



Iapetus xlvii 



Ice, biological study of, liv 



Insanity lv 



Insects xliv, lv, lvii, 151 



Iron 128 



Kaffir corn 231 



Kansas Ustilagineae lviii, 229 

 Kaolinite 130 

 Karyokinesis lii 

 Kinderhook rocks 361, 369 



Lazulite 129 



Lead 127 



Leadhillite 127 



Leaves, injury to wet, by wind 



lxxiv 

 Leete, Dr. J. M. Memorial lxxii, 



lxxiii 

 Lenses xlv 

 Lepidolite 130 



Library xxxvii, xlii, 1, lxiii, lxxviii 

 Lichens lxi 



Light, refraction of, xlv, xlvii, 133 

 Lignite xxxix, 123, 131 

 Limonite 128 



Lines of force lv, lx, 201, 273 

 Lithomarge 130 

 Lizard 502 



Mailing natural history specimens 



lxx 

 Manganese 128 

 Manganocalcite 128 



