344 The American Geolodisl. Docombor, isoo 
1858; printed in the National Intelligencer of March 16, (with F. V. 
Hayden). Am. Jour. Sci., vol. xx\% 2d Ser. pp. 439-442. New Haven. 
1859. 
DeBcriptions of new organic remains collected in Nebraska Territory 
in the year 1857, by Dr. F. V. Hayden, geologist to the exploring expe- 
dition under the command of Lieut. G. K. Warren, Topo. Eng., U. S. 
Army, together with some remarks on the geology of the Black Hills 
and portions of the surrounding country, (with F. V. Hayden). Proc. 
Acad. Nat. Sci., Philad. vol. x, pp. 41-50. Philadelphia. 
Remarks on the Lower Cretaceous beds of Kansas and Nebraska, to- 
gether with descriptions of Carboniferous fossils from the valley of Kan- 
sas river, (with F. V. Hayden). Proc. Acad. Nat. Sci., Philad., vol x, 
pp. 256-264. Philadelphia. 
1860. 
Geological explorations in Kansas Territory, (with F. V. Hayden). 
Proc. Acad. Nat. Sci., Philad., vol. xi, pp. 8-30. Philadelphia. 
On a new genus of Patelliform shells from the Cretaceous of Nebras- 
ka, (with F. V. Hayden). Am. Jour. Sci., vol. xxix, 2d Ser,, pp. 33-35, 
plate I. New Haven. 
1861. 
Descriptions of new organic remains from the Tertiary, Cretaceous 
and Jurassic rocks of Nebraska, (with F. V. Hayden). Proc. Acad. Nat. 
Sci., Philad., vol. xii, pp. 175-184. Philadelphia. 
Description of new fossil remains collected in Nebraska and Utah by 
the exploring expedition under the command of Capt. J. H. Simpson, 
of the U. S. Topographical Engineers (extracted from that officer's 
forthcoming report). Proc. Acad. Nat. Sci., Philad., vol. xii, pjj. 
308-315. Philadelphia. 
Systematic catalogue with synonymy, etc., of Jurassic, Cretaceous 
and Tertiary fossils collected in Nebraska by the exploring expedition 
under the command of Lieut. G. K. Warren, of U. S. Topographical En- 
gineers, (with F. V. Hayden). Proc. Acad. Nat. Sci.. Philad., vol. xii, 
pp. 417-432. Philadelphia. 
Descriptions of new species of Crinoidea and Echinoideafrom the Car- 
boniferous rocks of Illinois and other western states, (with A. H. Wor- 
then). Proc. Acad. Nat. Sci., Philad., vol. xii, pp. 379-397. Philadel- 
phia. 
Descriptions of new Carboniferous fossils from Illinois and other 
western states, (with A. H. Worthen). Proc. Acad. Nat. Sci., Philad., 
vol. XII, pp. 447-472. Philadelphia. 
Remarks on the age of the Goniatite limestone at Rockford, Indiana, 
and its relation to the "'Black Slate" of the western states and to some 
of the succeeding rocks above the latter, (with A. H. Worthen). Am. 
Jour. Sci., vol. xxxir, 2d Ser., pp. 1(>7-177. New Haven. 
1862. 
Descriptions of new Paleozoic fossils from Illinois and Iowa, (with A. 
H. Worthen). Proc. Acad. Nat. Sci., Philad., vol. xiii, pp. 128-148. 
Philadelphia. 
