33 



CHAPTER XVI. 



Geology of Moultrie, Macon and Piatt Counties, G. C. 

 BROADHEAD 185-196 



CHAPTER XVII. 

 Geology of Gallatin County, E. T. Cox 197-219 



CHAPTER XVIII. 

 Geology of Saline County, E. T. Cox 220-234 



CHAPTER XIX. 

 Geology of Livingston County, H. C. FREEMAN 235-244 



PART II. 



SECTION I. 



Descriptions of Vertebrates, ORESTES ST. JOHN and A. H. 

 WORTHEX 245-488 



SECTION II. 



Descriptions of Invertebrates, A. H. WORTHEN and E. B. 

 MEEK 489-532 



Geological Map of the State of Illinois from Original Surveys, 

 made under the direction of A. H. WORTHEN, State Geologist. 



33. A. H. WORTHEX. 



Descriptions of fifty-four new species of Crinoids from the 

 Lower Carboniferous Limestones and Coal Measures of 

 Illinois and Iowa. In Bulletin No. I, Illinois State Museum 

 of Natural History., pp. 3-38, 1882. 



34. A. H. WORTHEN. 



Corrections and proposed new names for species previously 

 described in Geological Survey of Illinois under names that 

 were pre-occupied ; and descriptions of two new species of 

 fossil shells from the Coal Measures of Illinois and Kansas. 

 In Bull. Xo. I, Illinois State Museum of Xatural History, 

 pp. 38-40. 

 5 



