BULLETIN No. 2 



OF THE 



ILLINOIS 



TATE Museum of Natural History. 



SPRINGFIELD, ILLINOIS. 



Descriptions of two new species of Crustacea, fifty-one species 



OF MOLLUSCA, AND THREE SPECIES OF CrINOIDS, FROM THE CAR- 

 BONIFEROUS formation OF Illinois and adjacent States. 



By a. H. Wqrthen. 



MARCH, i884, 



SPRINGFIELD, ILL.: 



rokker's printing house and bindery, 

 1884 



