24 



19. Geological Survey of Illinois, A. H. WORTHEN, Director, 

 Vol. II, Palaeontology, pp. i-xix and 1-470, plates I-L, 

 Imp. 8vo. Chicago, 1866. 



CONTENTS. 



PAGES. 



Introduction iii-xix 



SECTION I. 



Descriptions of new species of Vertebrates, mainly from 

 the Subcarboniferous limestones and Coal Measures, J. 

 S. NEWBERRY and A. H. WORTHEN 9-134 



Remarks on the Occurrence of Fossil Fishes in Illinois, A. 

 . H. WORTHEN 11-16 



Supplement to descriptions of Vertebrates, consisting of a 

 description of a new genus and species of Reptiles, from 

 the Coal Measures, PROF. EDW. D. COPE 135-142 



SECTION II. 



Descriptions of Invertebrates from the Carboniferous sys- 

 tem, F. B. MEEK and A. H. WORTHEN 143-411 



Supplement to the descriptions of Invertebrates, consist- 

 ing of descriptions of Poylzoa from the Palaeozoic rocks, 

 H. A. PROUT ! 412-423 



SECTION III. 

 Report on the Fossil Plants of Illinois, LEO LESQUEREUX.425-470 



20. A. H. WORTHEN; F. B. MEEK and 



Preliminary notice of a Scorpion, a Eurypterus? and 

 other fossils from the Coal Measures of Illinois. In Am. 

 Jour. Sci. Vol. XLV, 2d ser., pp. 19-28, 1868. 



21. A. H. WORTHEN; F. B. MEEK and 



Notes on some points in the structure and habits of the 

 Palaeozoic Crinoidea. In Proc. Acad. Nat. Sci. Phila., Vol. 

 XX, 2d ser., pp. 323-334, 1868. 



