INDEX OF VOLUMES I TO XX. 129 



VOL. PAGE 



Youmans, E. A. Optics, Some Simple Experiments in xi 658 



E. A. Plants, Darwin on the Movements of. xviii 498 



E. A. Sketch of Lucretia Caroline Herschel viii 736 ; ix 58 



E. A. Toadstools and their Kindred vii 129 



E. L. Fraudulent Use of his Name A Card to the Public iii 247 



E. L. Spencer and Evolution vi 20 



"W. J. Corpulence i 445 



W. J. Heat, Morbid Effects of iii 497 



W. J. Images and Shadows iv 665 



W. J. Radiations, The Chemical vii 19 



TV. J. Tongueless Speech iii 627 



Young, C. A. Chromosphere and Solar Prominences iv 385 



C. A. Sketch of, with Portrait xix 840 



C. A. Sun, Distance and Dimensions of the x 385 



C. A. Sun's Heat, The xviii 11 



Dr. Thomas. Sketch of, with Portrait v 360 



z 



Zadig, The Method of. T. H. Huxley xvii 467 



Zanzibar, The Climate and Meteorology of (Misc.) xvii 857 



Zebu and European Cattle, Cross between the (Misc.) ii 635 



Zodiacal Light (Misc.) v 380 



Light. C. E. Brame xi 349 



Light. C. A. Morey (Cor.) xi 617 



Zoological Enigma, A. F. L. Oswald xvii 359 



Garden, The Cincinnati (Misc.) vii 249 



Laboratory, Chesapeake (Misc.) xix 276 



Specimens, Preservation of (Misc.) ix 254 



Zoologists, What American, have done for Evolution. E. S. Morse. . . x 1, 181 



Zoology, Some Facts and Fictions of. A. "Wilson xvii 96 



Zmli Indians of New Mexico. F. FJett v 580 



BOOK NOTICES. 



A 



Aborigines, Houses and House-Life of the American. L. H. Morgan xx 853 



Abstinence, Total. B. "W. Richardson xiv 684 



Academy of Arts and Sciences, Proceedings of the American viii 118 



of Natural Sciences of Philadelphia, Report of. "W. S. W. Ruschen- 



berger x 506 



of Sciences and Arts, Transactions of, of "Wisconsin ii 503 



Accidents or Poisoning, What to do first in. C. W. Dallas xviii 424 



Accounts, The Logic of. E. G. Folsom iv 118 



Acoustics, Light, and Heat. "W. Lees xi 376 



Researches in. A. M. Mayer vi 629 



Adamites and Preadamites. Alexander Winchell xiii 498 



Adirondacks, Camps and Tramps in the. A. J. Northrup xvii 566 



