CHAPTER IX. 
COAI MEASURES FAUNAL STUDIES: FAUNAL DIVI- 
SIONS OF THE KANSAS COAL MEASURES. 
J. W. BEEDE and AUSTIN F. ROGERS. 
INTRODUCTION. 
HISTORICAL SKETCH. 
COLLECTIONS. 
NOMENCLATURE. 
THE WAUNA. 
THE CORRELATION VALUE OF SPECIES. 
FAUNAL DISTRIBUTION. 
FAUNAL DIVISIONS. 
Series I. 
Stage A. 
Stage B. 
Series II. 
Stage C. 
Stage D. 
Stage H. 
Series III. 
Stage F. 
Stage G. 
Stage H. 
Series IV. 
Stage I. 
Stage J. 
RANGE OF SPECIDS. 
LIST OF LOCALITIES. 
THE CHARTS. 
Introduction. 
HIS paper is the summary of a preliminary survey of the 
fauna of the formations of the Kansas Coal Measures, 
which was begun in 1898 and continued as opportunity 
afforded until the close of the season of 1905. For the con- 
venience of those who might wish to use them, provisional 
lists of the collections, with the precise localities and horizons, 
were printed from time to time. Five such papers have ap- 
peared, under the title, ““Coal Measures Faunal Studies,” as 
will be noted later. 
The idea of making extensive collections from the various 
horizons in order to learn the exact range of the various spe- 
cies, and to determine whether or not it would be possible to 
divide the Kansas Coal Measures formations into groups or 
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