630 INDEX 



Contacts, Zincite-Copper, Effect of Hydrogen Sulphide on, 



R. B. Dodson XXIV 



Control, Motor, Measurements of Basic Capacities in, 



Carl E. Seashore 



Cook, Alfred N., Diphenyl Ether Derivatives 



Menke's Method of Preparing Hyponitrates 



The Preparation of Phenyl Ether 



The Sioux City Water Supply, No. Ill, XI, 133; See 

 also Cook and Eberly, Cook and Morgan. 



A New Deposit of Puller's Earth 



and Eberly, C. P., The Sioux City Water Supply, I.. 



and Haines, Arthur L., Calcium Carbide as a Dehy- 

 drating Agent for Alcohols 



and Morgan, W. J., The Sioux City Water Supply, II 

 Coon Butte, Arizona, Volcanic Phenomena of, C. R. Keyes 

 Coon Rapids, See Pleistocene. 

 Copper, Reduction of Sulphuric Acid by, as a Function of 



Temperature, L. W. Andrevv^s Ill 



Coral Fossils, Large Colony of, A. O. Thomas XXIV 



Corinth Canal Zone, Geology of, C. R. Keyes XIII 



Corn and Smut, Effect of Heat on Germination of, F. C. 



Stewart II 



Caryopsis, See Caryopsis. 



Chlorotic, W. H. Davis XXIV 



Leaf, Histology of, R. Combs V 



Ripening, Changes that occur in, C. F. Curtiss II 



Silage, See Molds. 



Smut, L. H. Pammel I, // 



Corpus callosum, See Brain, Sheep's. 



Correlation, Geologic, C. R. Keyes XXII 



Geologic, See Mississippi Basin. 



Orotaxial Geologic, and Diastrophism, C. R. Keyes. . . . XVI 



Physical Aspects of, C. R. Keyes VI 



Corson, G. E., and Bakke, A. L., The Use of Iron in 



Nutrient Solution for Plants XXIV 



Cotton Seed Oils, Study of, J. B. Weems and H. N. Gret- 



tenberg VIII 



Cover Crop, See Flower Buds. 



Crab Apples, Native, John Craig and H. H. Hume VII 



Craig, John, and Hume, H. Harold, Native Crab Apples 



and their Cultivated Varieties VII 



Cratty, R. I., Flora of Emmet County, Iowa XI 



Notes on an Introduced Woodland Flora XXV 



Craven, W. N., Some Observations on the Embryology 



of Chironomus XVI 



Craven, W. N., Memorial of, J. L. Tilton XVI 



Crawford County, See Kay, George F XXIV 



Crayfish, Hermaphrodite, I. L. Ressler XXIII 



Regeneration in, J. J. Lambert XI 



