VIII CONTENTS. 



GENERAL APPENDIX. 



Page. 



L— ReCOUD of iSCIENCE FOR 1887 AND 1H88 P-& 



Astronomy, by William C. VVinlock l'^5 



Geology, by W J McGee « 217 



Norlli American Pala'ontology, by Henry S. Williams 261 



Petrocvraphy, by George P. Merrill :i27 



Meteorology, by Clevelaud Abbe 355 



Chemistry, by F.W.Clarke 425 



Mineralogy, by Edward S. Daua 455 



Botany, by F. H. Kuowlton 475 



Anthropology, by Otis T. Mason 497 



II.— MiSCKLLANEOUS PAPERS 583 



Chronology of the Human Period, by J. Woodbridge Davis 583 



Were the Osages, Mound bn ilders ? by J. F. Snyder 587 



The progress of Science as exemplified iu the art of Weighing and Meas- 

 uring, by William Harkuess 597 



Determination of the mean Density of the Earth by means of a pendulum 



principle, by J. Wilsing G35 



Ainerriqnes, Ameriglio Vespucci, and America, by Jules Marcou C47 



Progress of Oriental Science in America, during 1888, by Cyrus Adler 675 



III.— BiOGRAriucAL Memoirs 703 



Spencer F. Baird, by Robert Ridgway 703 



Memorial meeting of Washington Societies 715 



by Garnck Mallery 717 



by William B. Taylor 7il 



by William H. Dall 7:U 



by John W. Powell 739 



Asa Gray, by J;i mes D. Dana 745 



by William G. Farlow 763 



List of his writings 785 



LIST OF ILLUSTRATIONS. 



Article on ]\fetcorolo(i>j. 



Fig. 1. Curves showing wind currents 389 



Fig. 2. Isotherms ^i)) 



Fig. 3. Adiabatic curve 393 



Fig. 4. Dew-point curve 395 



Fig. 5. Adiabatic curves 399 



Fig. 6. Adiabatic curves 4O1 



Fig. 7. Adiabatic curves 40-2 



Article ou the name America. 



Sketch Map of p.art of Central America Qf^g 



Cut of Amerigbo Vespucci's signature g^g 



Fac-simile of letter by Amerigho Vespucci 6.57 



Index to the volume 007 



