AUTHOR-SUBJECT INDEX, 1849-1961 



199 



Yeager, Philip B., The new age of the sea. 



1961: 381-395 

 Yeast 



Yeasts: a chapter in microscopical sci- 

 ence, by A. Chaston Chapman. 

 1925: 297-312 

 Yellow fever 

 Fight against yellow fever, by A. Das- 



tre. 1905: 339-350 

 Transmission of yellow fever by mos- 

 quitoes, by George M. Sternberg. 

 1900: 657-673 

 Yellow fever situation in the Ameri- 

 cas, by Wilbur A. Sawyer. 1943: 

 575-589 

 Yellow races 

 Yellow races, by E. T. Hamy. 1895: 



5 5Si7 



Yellowstone 



Geological history of the Yellowstone 

 National Park, by Arnold Hague. 

 1892: 133-151 

 Indian remains of the upper Yellow- 

 stone, by Wm. S. Brackett. 1892: 

 577-581 

 Soaping geysers, by Arnold Hague. 

 1892: 153-161 



Yermoloff, A., Bisons of the Caucasus. 

 1906: 345-353 



Young, C. A., Variable stars. 1893: 107- 

 iii 



Young, Stanley P., Return of the musk 

 ox. 1942: 317-322 



Young, Thomas 



Eulogy on Thomas Young, by Arago. 

 1869: 111-144 



Young, William J., Cloud-bursts. 1867: 

 471-472 



Younghusband, Frank, Geographical re- 

 sults of the Tibet mission. 1905: 

 265-277 



Yucatan 



"Cara gigantesca" of Yzamal in Yuca- 

 tan, by Arthur Schott. 1869: 389- 

 393 



Yukon 



Journey to the Youcan, Russian Amer- 

 ica, by W. W. Kir by. 1864: 416- 

 420 

 Klondike and Yukon goldfield in 1913, 

 by H. M. Cadell. 1914: 363-382 

 Zaborowski, S., Ancient Greece and its 

 slave population. 1912:597-608 

 Origin of the Slavs. 1906: 399-422 

 Zahm, A. F., First man-carrying aero- 

 plane capable of sustained free 

 flight — Langley's success as a pioneer 

 in aviation. 19 14: 217-222 

 Zantedeschi, F., Electricity of induction 

 in the aerial strata of the atmos- 

 phere. 1870: 466-469 

 Zapffe, Carl A., Insides of metals. 



195 1 : 253-261 

 Zeppelins, see Dirigibles 

 Zero, absolute, see Absolute zero 

 Zeuner, F. E., Time in evolution. 1949: 



247-259 

 Zimmerman, Maurice, Antarctic land of 

 Victoria from the voyage of the Dis- 

 covery. 1909: 331-353 

 Zittel, Karl Alfred von 



Karl Alfred von Zittel, by Charles 

 Schuchert. 1904: 779-786 

 Zoology 



Aspects of progress in modern zoology, 

 by Edmund B. Wilson. 1915: 395- 

 408 

 Morphological method and recent 

 progress in zoology, by G. B. Howes. 

 1902: 581-608 

 Some questions of nomenclature, by 



Theodore Gill. 1896: 457-483 

 Systematic zoology: its progress and 

 purpose, by Theodore Gill. 1907: 

 449-471 

 Zoology: recent scientific progress. 

 1880: 331-390; 1881: 409-498; 1882: 

 565-632; 1883; 699-751; 1884: 583- 

 675; 1885: 761-813; 1837: 477-522 

 Zoology and medicine, by Raphael 



Blanchard. 1906: 439-452 

 Zoology since Darwin, by Ludwig von 



Graff. 1895: 477-491 

 See also names of animals 



