INDEX 
411 
H 
Hall Effect and Specific Resistance of Thin Silver Films, G. R. Wait. 203 
Halverson, Henry M., Localization of Sound by Wave Phase in Open 
Air 230 
Hand, See Eye and Hand. 
Hansen, C. F., Serial Action as a Basic Measure of Motor Capacities. 234 
Harlan, E. R., Address of, at Calvin Memorial 32 
Hayden, Ada, Midsummer Bee Plants in Mississippi Zone of Clayton 
County 109 
Hearing, See Acuity. 
Helmick, P. S., On Finding the Equation of Characteristic Blackening 
Curve of Photographic Plate 223 
Hewlett, C. W., New High Frequency Tone Generator 215 
Hinman, Jack J., Some Experiences with the Control of Field Water 
Supplies 253 
Hinman, Jack J., Swimming Pool Sanitation 258 
I 
Intensity Effect, See Binaural Phase Difference. 
Iowa City, See Bird Records. 
Iowan- Wisconsin Border, Investigation of, E. J. Cable 184 
J 
Jaques, H. E., Downy Brome Grass in Iowa 133 
Jaques, H. E., Recent Outbreaks of Army Worms and Variegated Cut- 
worms in Iowa 243 
K 
Keyes, Charles, Memorial of R. E. Call 35 
King, Charlotte M., See Pammel and King. 
Knight, Nicholas, and Shumaker, J. B., Soft Waters of Central New 
York 165 
Knight, Nicholas, See Trieschmann and Knight, 
Koerth, Wilhelmine, A Measure of Capacity for Acquiring Skill in Co- 
ordination of Eye and Hand 237 
L 
Lees, James H., Conservation of Underground Water 187 
Lepidoptera, Iowa Records of, A. W. Lindsey 319 
Lindly, J. M., Comparative Stability of Colors in Wallpaper 225 
Lindsey, A. W., Some Iowa Records of Lepidoptera 319 
M 
Macbride, T. H., Address of, at Calvin Memorial 23 
Madreporaria, Study of Sociality in, H. J. Wehman and Gertrude Van 
Wagenen 241 
Missouri Valley, See Bird Records. 
Motility, Standardized Measure of, Merrill J. Ream 238 
Motility, See Children. 
Motor Capacities, Personal Equation in, Martin L. Reymert 233 
Motor Capacities, Serial Action as Basic Measure of, C. F. Hansen.. 234 
Music School, See Talent Survey. 
