ALPHABETICAL INDEX TO VOLUME IV 



PAGE 



Alexius, Appeal for Aid in 1095 13S 



Algebra in Three Units 129 



A New Master of English Prose 17 



Appeal of Alexius for Aid in 1095 13S 



Banking Situation in Colorado, Significance of 51 



Bees of Boulder County, Colorado 239 



Brain of One of the Salamanders 97 



Cockerell, T. D. A 152, iS9. 239 



Colorado, Banking Situation in 51 



Colorado, Bees of Boulder County 239 



Colorado, Birds of Northeastern 153 



Colorado, Botany 109, 161, 185 



Colorado, Botany — Collections Made in Northeastern 161 



Colorado, Butterflies of the Genus Neominois 159 



Colorado, Mammals Collected or Noted 159 



Colorado, MoUusca of 77' 167 



Colorado, Molluscs of Northeastern 158 



Colorado, Northeastern, Scientific Expedition to i4S 



Colorado, Paleontology of Northeastern 149, 152 



Colorado, Protozoa of Boulder County 261 



Colorado, Silva of 109. 185 



Colorado, Territory of 63 



Colorado, Topography and Meteorology of Northeastern 14S 



Colorado, Zoology 77, iS3' ^S^, i59> 239, 261 



Differential Functions, A Theorem of 127 



Divorce, Increase of 203 



Dodds, Gideon S 97> i45 



English Church, The, and the Lay Taxes of the Fovirteenth Century . . 217 



English Prose, A New Master of i? 



Epigram, Martial the Greatest Master of 5 



Epsteen, S 35. 127, 129 



Hellems, Fred B. R S> ^7 



Henderson, Junius 77, i49> ^S^, 167 



Libby, Melanchthon F 27, 227 



Life Insurance, The Mathematics of 35 



Martial, The Epigram and Its Greatest Master 5 



Mathematics 35> 127, 129 



Mathematics of Life Insurance 35 



Natural History of Northeastern Colorado i4S 



Northeastern Colorado, Scientific Expedition to 14S 



On an Algebra in Three Units 129 



V 



