INDEX OF VOLUMES I TO XX. 7 



VOL. PAGE 



Art, Evolution and Originality in (Ed. Tab.) xviii 097 



Frailty of Modern (Misc.) viii 379 



The Monstrous in. S. Kneeland xiv 731 



Artesian Wells and Sahara. S. Schroeder xvi 530 



On our Western Plains (Misc.) xvii 428 



Artisan Schools, Government Aid to (Misc.) xv 140 



Artisans, Diseases of (Misc.) vii 510 



Arts in the Stone Age ii 343 



The Royal Institution and the Society of. B. H. Becker vi 655 



Asbestos, Uses of (Misc.) ii 509 



Ashes, Leached, as a Fertilizer (Misc.) iv 509 



Ashman, J. Beans, Pythagoras on (Cor.) xv 410 



Asphalt and Amber in the Mud of New Jersey (Misc.) xvii 718 



Origin and Uses of. L. Malo xix 539 



Pavements ii 609 



Asphaltum and Amber in New Jersey (Misc.) xv 719 



Deposit in West Virginia (Misc.) iv 637 



Association, Adv. Sci., American, 1872 (Misc.) i 637 



Adv. Sci., American, 1872 (Ed. Tab.) i 752 



Adv. Sci., American, 1873 (Ed. Tab.) iii 762 



Adv. Sci., American, 1874 (Ed. Tab.) v 741 



Adv. Sci., American, 1875 (Misc.) vii 755 



Adv. Sci., American, 1876 (Ed. Tab.) ix 755 



Adv. Sci., American, 1877 (Misc.) xi 505, 762 



Adv. Sci., American, 1878 (Ed. Tab.) xiii 745 



Adv. Sci., American, 1879 (Ed. Tab.) xv 842 



Adv. Sci., American, 1879 (Misc.) xv 853 



Adv. Sci., American, 1880 (Ed. Tab.) xvii 693, 843 



Adv. Sci., American, 1881 (Misc.) xix 422, 859 



Adv. Sci., American. F. W. Clarke (Cor.) vii 365 



Adv. Sci., American, Geographical Distribution of Members (Cor.) xx 267 



Association, Adv. Sci., British, 1872 (Misc.) i 637 



Adv. Sci., British, 1872 (Ed. Tab.) i 752 



Adv. Sci., British, 1873 (Ed. Tab.) iv 114 



Adv. Sci., British, 1877 (Misc.) xi 505 



Adv. Sci., British, 1878 (Ed. Tab.) xiii 745 



Adv. Sci., British, 1879 (Ed. Tab.) xv 842 



Adv. Sci., British, 1880 (Misc.) xviii 138 



Association, Adv. Sci., French, 1873 (Misc.) iv 124 



Adv. Sci., French, 1875 (Misc.) viii 248 



Adv. Sci., French, 1876 (Misc.) x 115 



Adv. Sci., French, 1877 (Misc.) xi 505 



Adv. Sci., French, 1880 (Misc.) xviii 141 



Adv. Sci., French, 1881 (Misc.) xix 423 



Association of German Naturalists and Physicians (Misc.) xx 574 



Asteroids, Professor Vaughan on the Origin of the (Misc.) xv 570 



Astronomical Achievement, an American. R. A. Proctor x 446 



Discoveries, Announcement of (Misc.) xvi 715 



Discoveries, Further (Ed. Tab.) xi 756 



Expedition, The Sherman. Emma M. Converse iii 72 



History of Worlds. D. Vaughan xiii 571 



