V-THE WRITINGS OF JAMES HALL. 

 1. 



Hall, James. Organic remaius. Descriptious of organic remauis collected by Cap- 

 tain J. C. Fremont, in the geographical survey of Oregon and North California. 

 <^Rep. Expl. Exp. to the Rocky Mountains and to Oregon and North California, 

 by J. C. Fremont. Appendix B, pp. 304-HlO, pis. i-iv. Washington, 1845. 



Page. 



Sphenopteris fremonti, n. s., Hall, 1845. pi ii, figs. 3. 3a 304 



S.trilnha. n. s.,Hall, 1845, pi. i, fig.8 304 



S. (?) paucifoUa, n.s.. Hall, 1845, pi. ii, figs. 1 o-d 304-305 



S.(?) tnfoUatn,n.s., H.ill, 184.5, pi. ii, figs. 2, 2 a 305 



Glossopteris philUpsii. d. s.. Hall, 184.5, pi. ii, figs. 5, 5a-c 305-306 



Pecopteris undulata. n. s.. Hall, 1845, pi. i, figs. 1, 1 a 306 



Pecopteris nndulata var.. Hall, 184."^, pi. i, figs. 2, 2 a, 6 306 



Pecopteris (?) odontopteroides, n. s., Hall, 1845, pi. i, figs. 3, 4 306 



Trichoptens,u. g.,B.i\\], 1845 306 



r./i(i?«enfo«a,n.s.,Hall, 184.5,pl. ii, fig. 6 306-307 



r. graeiliis, ii. s. . Hall, 1845, pi. i, fig. 5 307 



Stemsoffeins, pl.i. fig.7 307 



Leaf of a DycotyledoiKius plant (?), pi. ii, fig. 4 307 



Jf2/a teiii"noif/e.s, n. s.. Hall, 184.5, pi. iii, figs. 1, 2 307 



Xucxda impresna. (?) n. s., Hall, 184.5, pi. iii, fig. 3 308 



Cytherea parvula, n. s.. Hall, 1845, pi. iii, figs. 10, 10 a 308 



Pleurotomaritt uniangulata, u. s.. Hall, 1 845, pi. iii, figs. 4, 5 ., 308 



Cerithiuin tenerum, n. s., Hall, 1845, pi. iii, figs. 6, 6 a 308 



Cerithiitm fremonti, n.s., Hall, 1845, pi. iii, flg.s. 7, 7 a 308 



Natica (?) occidentalism n. s , Hall, 184.5, pi. iii, figs. 8, 8 a 308-309 



Turritella bilineata, n.s .Hall, 1845, pi. iii, fig. 9 309 



Cerithium nodulosvm,u. s.. Hall, 1845, pi. iii, figs. 11, 12 309 



Tkirbo paludinae/ormis.n. s.. Hall, 1845, pi. iii, fig. 13 309 



Leaves of Dicotyledonous plants, pi. iii, figs. 14, 15 309 



Inoceramiis ?, Hall, 1845, pi. iv, figs. 1, 1 o 309-310 



Inoceramus ?, Hall, 1845, pi. iv, fig. 2 310 



Hall, James. Descrijitiou of new or rare species' of fossils, from the Palaeozoic se- 

 ries. <^Rep. on the Geology of the Lake Superior Land district, by J. W. Foster 

 and J. D. Whitney. Part ii, chai)ter xiii, pp. 203-231, pis. xxiiia-xxxv. Wash- 

 ington, 18.51. 



POTSDAM AND CALCIFEROUS SAXDST0XE6. 



Page. 



Lingula prima, Conrad, pi. xxiii, figs. 1 a-g 204 



Lfri^uia anJi^wa, Hall, pi. xxiii, figs. 2 a-c 204-205 



Trjlobites of the Potsdam Sandstone 205 



IHkell[o]cephalus, D. D. Owen, pi. xxiii, figs. 3 a-e, and fig. 4 205-206 



FOSSn.S FROM THE CHAZY, BIKUS EYE, BLACK RIVER, AND TRENTON LIMESTONES AND HUDSON RIVER 



GROUP. 



Phenopora inultipora. n. s.. Hall, 1851, pi. xxiv, figs. 1 o, 6 206-207 



Clathroporaflabellata,n.»., Hall. 1851, pi. xxiv, figs. 2a, 6 207 



GhcBtetes lycoperdon. Say, pL xv, figs. 1 o-d •J07-2U8 



Schizocrinus nodosus ? , pL xx v, figs. 2 a-e 208 



231 



