26 THE UNIVERSITY OF OKLAHOMA 



Conservation of wild life Frank Rush 



Life zones and zone indicators in Oklahoma R. O. Whitenton 



Demonstration of a double-headed pig and some comments on 



its anatomy H. H. Lane 



Structure and function, — which precedes the other? H. H. Lane 



Our greatest food loss Margaret M. Nice 



Life cycles of cryptograms Emma Tidd 



Preliminary notes on psycoda F. K. Smith 



Queer double eggs A. F. Reiter 



Tonus rhythms in diaphragm muscle L. B. Nice 



Biological field work Sister M. Agnes 



A tree line across Oklahoma from north to south C. W. Shannon 



Report of biological survey C. W. Shannon 



Economic relationship of birds, insects, and fishes in Okla- 

 homa C. E. Sanborn 



Psychology of the unemployed John VV. Duke 



An apparent degenerate — A study for psychological consider- 

 ation A. M. McCu'lough 



Handedness and speech Margaret M. Nice 



The laboratory and the shop W. C. Randol 



Scientific applications of the principles of relatively G. W. Tidd 



A suggestion regarding a new liberty bond Joseph M. Perk'ns 



Science as a factor in moral training A. F. Reiter 



Science as a factor in elimination of superstitution__Lura Gilmore 



Studies in elementary science for Oklahoma schools C. W. Shannon 



Heroes Unsung (Household economics) Emma Lignon 



Indian mounds in Kay County J. B. Thoburn 



Seven mountain uplifts of the Great Plains C. N. Gould 



Some iron ore deposits of Oklahoma G. E. Burton 



Geology and the v/ar C. N. Gould 



Notes on the stratigraphy of northern Coahuila, Mexico 



Jerome B. Burnette 



Oklahoma's war mineral supply C. W. Shannon 



Some limonite ores in the Arbuckle mountain region G. E. Burton 



Stratigraphic and correlation chart of the geologic formations 



of Oklahoma Fritz Aurin 



Production of petroleum in Oklahoma for 1916 Fritz Aurin 



Laverne formation in northwestern Oklahoma V. V. Waite 



Elephant and mastodon remains in northwestern Oklahoma 



1 N. B. Winter 



New geological formation names in Oklahoma C. W. Shannon 



Mosses as rock builders l_W. H. Emig 



