INDEX 6S7 



Vol. Page 

 Observations on the Geology of Steamboat Springs, 



Colorado VI, 93 



Witter, Finley M., Charter .Member, L. H. Pammel XIX, 39 



Witter, Finley M., Memorial of, B. Shimek and L. H. 



Pammel XVII, 7 



Wood, Fossil, See Keokuk Limestone. 



Wood, Tertiary Silicified, of Eastern Arkansas, R. E. 



Call I.n, 37 



Wood, Norman A., See Ruthven and Wood. 



Woodbury County, See Butterflies. 



Woodland Flora, See Flora. 



Woodpeckers, Nest Boxes for, F. C. Pellett XX, 305 



Woodrow, Harry Ray, The Googler Primary Battery... XVI, 167 

 See Morehouse and Woodrow. 



Wolden, B. O., The White Admiral or Banded Purple But- 

 terfly in Iowa XXIII, 269 



Wool, Glass, Curve of Moisture Condensation on, L. E. 



Dodd XXIII, 195 



Worth County, See Drift. 



Wylie, Charles A., The Des Moines Diphtheria Epidemic of 



1912-13 XXI 23 



Wylie, Robert Bradford, The Flora of Iowa Rock, A Small 



Rocky Island in Puget Sound XVI 99 



The Staminate Flowers of Elodea XVII, 80 



Notes on Heteranthia dubia XIX 131 



A Hybrid Ragweed XXII, 127 



X 



X-ray Spectrum, See Tungsten. 



Y 



Yangtze River, China, Erosion History of, C. L. Foster.. XXIV, 127 

 Yarmouth between Illinoian and Kansan Till Sheets, 



F. Leverett V, 81 



Yocum, L. E., See Martin and Yocum. 



Youtz, L. A., Clays of the Indianola Brick, Tile and 



Pottery Works Ill, 41 



Yule, Mildred, The Source of the Chromaffin Cells of tlie 



Adrenals of the Pig XIX, 215 



Z 



Zinc in Northeastern Iowa, A. G. Leonard I, IV, 48 



Zinc Mines, See Lead and Zinc Mines. 

 Zincite-Copper Contacts, See Contacts. 



Zoology, Laboratory Notes in, H. Osborn I, IV, 124 



Zoology in Colleges, Systematic, C. C. Nutting I, II, 102 



Zoology in Iowa During Twenty-five Years, C. C. Nut- 

 ting XIX, 79 



