No. 3. 



A CORViMETER !'"• R- <"ranc 131 



The Sands of the Kansas River Valley Jfl. Z. Kirk 135 



Bibliography OF North American Dipterology, 1,s:h-1895 S. TT'. WiUh<ton 129 



"Horsebacks" in the Kansas Coal Measures W. B. Crane 145 



A Preliminary Report on the Glaciated Area of Kansas Earl G. Swem IW 



A Geological Section at Providence, Missouri Alhan Stewart 161 



Notes on the Disharge of the Kansas River at Lawrence, 



Kan., since 1881 i^'. C- Murphy W6 



Supplementary Notes on the Article on Continuous Groups... H. B Newnon Kii) 



FissiCORN Tachinid^<: S. IT' WiUi^^ton 171 



List of Asilid^, Supplementary to Osten Sacken's Catalogue 



OF North American Diptera. 1878-1895 IT'. A. Snow 173 



Editorial Notes 1"1 



No. 4. 



On the Skull of Ornithostoma S. TT^ TT'illi.s(o/i 19.5 



Bibliography of THE North American Diptera S. W. WiUiston 199 



Involutoric Collineation in the Plane and in Space Arnold Emcli 20") 



A Study of the Type of the Greek Epitaphios with Special 



Reference to the Oration in Thucydides David H. H()lmi:>i 219 



A New Species of Dinictis from the White River Miocene of 



Wyoming Elmer S. Rirm '2'-il 



Continuous Groups of Projective Transformations Treated 



Synthetically S. B. Neicson 243 



