VOL. III. 



No. 1. 



Verterate Remains from the Lowermost Cretaceous S. W. ]ViUisti)n 1 



A New Turtle from the Benton Cretaceous S. W. WiUistoii 5 



Notes ON UiNTACHRiNus sociAEis Grinelij S. W. M'UliKton 19 



Restoration of Platygonus S. IT'. WiUMoii 33 



The Genus Dolichomia, avith Description of a New Specie.-; ..S. U'. ^ViUixt(nl 41 



The Taxinomic Value of the Scales op the Lepidoptera. ..1V;-hi))( A>. KrU(t<j(j 45 

 A Chemical Examination of the Water of the Kaw and its 



Tributaries E. H. S. Bailey ami K C. Fnuihlhi ill 



No. 2. 



The Hessian, Jacobian, Steinerian in Geometry of one Dimen- 

 sion H. B. iVeit'soH 103 



Irrigation in Western Kansas E. C. Murphij 117 



Birds OF Finney County', Kansas H. W. Menke 129 



The Prothorax of Butterflies M iij H. Wcllman 137 



American Platypezid^ TT'. A. Snow 143 



A Special Class of Connected Surfaces .AdioUI Emch 1.53 



Foreign Settlements in F\ansas IT. H. Currufli Vi9 



No. 3. 



New or Little Known Extinct Vertebrates S. H'. ]VilliM()ii 10:1 



Cnephalia and its Allies ir. A. Siiaw 177 



A New Species of Pelecocera TT'. ^. 8?i(>i() 187 



Exotic Tabanid.e N. TT'. TI'(7/i.sfo7i, 189 



Chemical Analysis of Counterfeit Gold Dust.. V. L. LHijMon and II. P. Cady 198 



The Temperature Sense TT'(7//((m Ncictdji Ijxjnn :201 



American PLATYPEZiDiE M'. .1. .Sooic 205 



No. 4. 



k 



Semi- Arid Kansas S. TT^. WiUMon 209 



Collection and Storage of Water in Kansas E. C. Murphy 217 



DiPTERA of Colorado and New Mexico TT'. A . Snow 225 



Supplementary List of North American syrphid^ IT'. A. Snow 249 



Dialysis and Triptotricha S. TT'. ]Villislon 263 



New BOMBYL1ID.E 8. TT'. }yiUiMou .267 



'I'HE Sthatigraphy OF THE NEW COA.L MEASURES Erctsmus Ihtworth 271 



Division of the Kansas Coal Measures EniffinuK Ilairor/li 291 



The Coal Fields of Kansas Erat<inu!< llawortli 297 



VOL. IV. 



No. 1. 



Natural Gas and Coal Oil in Kansas E. II. S. Bailey 1 



Experiments in the Solution of the Labor Pkoblem F. TT'. Blavkmar 15 



The Servant Girl Problem Martlia Boutelle Snow 31 



The Condition of Tracking House Employees A.E. Moody 41 



N OTES ON the Mandible of Ornithostom.x N. TT'. milision tU 



Notes of Air Resistance and Pressure E. C. Murphy 63 



The Coffeyville Explosion Erasmus Haworlh 67 



No. 2. 

 Continuous Groups of Projective Transformations Treated 



Synthetically H. B. Ncwson 71 



The Theoretical and Measured Pumping Power of Windmills, fc'. C. Murphy 93 



Two Remarkable Genera of Diptera S. TT'. WiUiston 107 



Involutoric Transformauion of the Straight Line Arnold Etncli 111 



On Toxotrypana of Gerst^cker IT'. A. Snow 117 



