636 INDEX 



Vol. Page 

 Evvard, John M., Some Factors Affecting Fetal Devel- 

 opment XX, 325 



Is the Appetite of Swine a Reliable Indication of 



Physiological Needs? XXII, 37o 



Dox, Arthur W., Guernsey, S. C, The Effect of Cal- 

 cium and Protein Fed Pregnant Swine upon the 

 Size, Vigor, Bone, Ccat and Condition of the Off- 

 spring XXI, 269 



Ewing, H. E., Mites Affecting the Poison Oak XXIV, 323 



The Life and Behavior of the House Spider XXV, 177 



Exobasidium, See Armillaria. 



Extinction, Factors of, H. Osborn IX, 47 



P 



Fagaceae of Iowa, T. J. and M. F. L. Fitzpatrick VIII, 177 



Fagen, Lester P., The Summer-resident Birds of Polk 



County, Iowa, a Guide to Local Study XVI, 197 



Fairchild, D. S., Charter Member, L. H. Pammel XIX, 3S 



Falco peregrinus anatum. See Duck Hawk. 



Farr, Clifford H., The Diclinous Flowers of Iva Xanthii- 



folia Nutt XX, 151 



Notes on a Fossil Tree-fern of Iowa XXI, 59 



Fat Factors, See Milk Production. 



Fault Systems In Iowa, C. R. Keyes XXIII, 103 



Faulting, Genesis of, C. R. Keyes VII, 112 



Fauna, Crinoid, New, from Monticello, A. O. Thomas XXII, 289 



Hemipterous, of Iowa, H. Osborn, I, 7, 40; H. Osborn 



and E. D. Ball IV, 172 



Macroscopic, See Brook. 



Orthopterous, of Iowa, E. D. Ball IV, 234 



of Iowa, H. Osborn I, 7/, 116 



State Report of Committee on, C. C. Nutting, Chair- 

 man 1,777, 39; II, 43 



See Coal Measures, Ste. Genevieve. 

 Faunas, Carboniferous, See Mississippi Valley. 



Fossil, Alternation of, C. R. Keyes XIII, 199 



Faurot, F. W., Notes on the Early Development of Astra- 

 galus caryocarims VIII, 210 



Fawcett, H. S., Variation in Ray Flowers of Anthemis 



cotula and Other Composites XII, 55 



The Viability of Weed Seeds under Different Condi- 

 tions of Treatment and a Study of Their Dormant 



Periods XV, 25 



Fayette, See Polyporaceag, Protozoa, Spermaphyta. 

 Fayette County, See Drift, Fungi, Terraces. 

 Ferments, See Uric Acid. 



Fern Flora of Northeastern Iowa, T. J. Fitzpatrick XXV, 417 



Ferns, Absence of. Between Fort Collins and Meeker, 



Colorado, F. M. Witter 1, 777, 29 



and Liverworts of Grinnell, H. S. Conard XIX, 105 



