22 Twenty-sixth Report on the State Museum. 



From the Author. 



Descriptions of new species of Crinoidea from the Carboniferous rocks 



of the Mississippi valley. By James Hall. [From the Jour. Bost. 

 . Soc. JSTat. Hist., January, 1861.] Pamph., 8vo., pp. 261-328, with 



Y photographic plates. 

 Descriptions of new species of Crinoidea from investigations of the 



Iowa Geological survey. Preliminary notice. By James Hall. 



Albany, February, 1861. Pamph., 8vo., pp. 18. 

 Descriptions of some new species of Crinoidea and other Fossils 



from the Lower Silurian strata of the age of the Hudson River 



Group and Trenton Limestone. By James Hall, l^ovember, 



1866. Pamph., 8vo., pp. 17, 2 plates. 

 Descriptions of some new species of Fossils from the shales of the 



Hudson Eiver Group, in the vicinity of Cincinnati, Ohio. By 



James Hall. October, 1871. Pamph., 8vo., pp. 8, 2 plates. 

 J^otes on some new or imperfectly known forms among the Bra- 



chiopoda, etc. By James Hall. March, 1871. Reprinted with 



Explanation of Figures, March, 1872. Pamph., 8vo., pp. 8 with a 



plate. 

 Reply to a " jN'ote on a Question of Priority." By James Hall. 



August, 1872. Pamph., 8vo., pp. 5. 

 On the Silurians of the United States. By Prof. James Hall. 



From the Geological Magazine [London], Yol. IX, Ko. 11. 



IN'ovember, 1872. Pamph., 8vo., pp. 4. 



From the Authors. 



Descriptions of new species of Fossils from the vicinity of Louis- 

 ville, Kentucky, and the Falls of Ohio, from the collection of Dr. 

 James Knapp, of Louisville. By James Hall and R. P. Whitfield. 

 May, 1872, June, 1872 (two papers). Pamph., 8vo., pp. 7, 

 pp. 13. 



Descriptions of new species of Fossils from the Devonian rocks of 

 Iowa, with a preliminary note on the formations. By James Hall 

 and R. P. Whitfield. Albany, July, 1872. Pamph., 8vo., pp. 21, 

 plates 4. 



From Hon. Ezra Cornell, Ithaca. N. Y. 

 The Cornell University Register, 1871-72. Ithaca, 1872. Pamph., 

 12 mo., pp. 132. 



