CONTENTS. 



Page. 



Horizon of the Dacotah lignite 5 



On the newly-discovered salt beds in Ellsworth county, Kansas 8 



Some experiments on the relation between the taste and the acidity of certain acids 10 



Ictinia Mississipiensis and ^gialitis nivosa, nesting in south-central Kansas 11 



Feeding habits of Pelecanus erythrorhynchos 11 



Notes on the Yellow-tailed Cassique 12 



The black rot of the grape 14 



Notes on circulation of sap 18 



Personal observations upon the flora of Kansas 19 



The solubility of chrome-yellow in the gastric juice 23 



On the occurrence of nitrites in rain-water 24 



Ultra-marine blue in sugars 25 



The Pink and White Terraces of New Zealand 26 



On the discovery and significance of stipules in certain dicotyledonous leaves of the Dakota rocks.. 33 



The geology of Kansas 35 



Geology of the Leavenworth prospect well 37 



The triassic rocks of Kansas 38 



The Logan county nickel mines 39 



The evaporative power of Kansas coals 42 



The composition of Kansas coals 46 



On the economic value of corn-cobs 49 



Is the alkaloidal strength of tea an index of its commercial value 50 



The quality of commercial peppers.. 51 



Animal ethics 52 



Mammals of western Kansas 56 



The Anhinga 58 



The Double-breasted Cormorant "... 59 



Additions to the Catalogue of Kansas Birds, with notes in regard to their habits, etc 60 



Three new Kansas birds 62 



A list of the Kansas species of Perono.sporacese 63 



An artificial key to the Kansas grasses 87 



Human eye — the changes which occur in middle life 101 



An examination of the resinous exudation of rosin weed 103 



A new form of hydrometer 104 



Color-blindness among Indians 105 



Statistics on color-blindness among the students at the Kansas Stale Agricultural College 106 



Comparison of the records of the two anemometers at the University of Kansas 107 



Mineral waters 109 



Notes on the early stages of three moths 110 



Observations on the divining-rod 114 



Meteorological summary for the years 1887 and 1888 115 



Librarian's report 120 



