18 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Page. 



Fustts interUxtus, n. a., M. & H. , 1857 139 



Funis (PUurotoma?) scarboroughi, n. s., M. 4^ H-, 1857... 139-140 



Pseudobxicoinum,i\.fi.,M. & H., 1857 140 



Pseudobuochmm nebrascensis, M. & H ■ 140-141 



Xylophaga eleijantula, n. s., M. H., 1857 141 



Xiilophaja stinipsoni, n. s. , M. & H. , 1857 141-142 



Pholadomya subventricosa, n. s., M. & H., 1857 142 



Solen? dakoteubis, n. a., M. & H., 1857 142 



Corbulamella, n.R., M.&1I.,1857 142-143 



Corbiilamella gregarea, M. & H 143 



Cyprina arenaria, n. s., M. & H., 1857 143 



Gyprina cordata, n. a., M. & H., 1857 143 



Cyprina compressa, n. a., M. & H., 1857 144 



Cyprina sxibtumida, n. 8.,M. & H., 1857 144 



Cyprina ovata, u. s.,M. & H., 1857 144 



TJnio danai, u. s.,M. & II., 1857 145 



Unio deweyanus, ii. a., M. & H., 1857. 145-146 



TJnio suhspatulata, n. s., M. & II.,1857 146 



Pectunculun suhimhricatus, n. s., M. & H., 1857 146 



Ostrea glabra, n. a.,M. & H., 1857.. 146-147 



Ostrea translucida, n. a.,M. & II.,1857 147 



Hetniaster? humphreysanus, n. 8.,M. & H., 1857 147-148 



10. 



Meek, F. B., and Hayden, F. V. Fossils of Nebraska. Letter from F. B. Meek 

 and F. V. Hayden to G. K. Warren, Lieut. Topog. Eng., dated Washington 

 February 8, 1858 ; printed in tbe National Intelligencer of Marcb 16. <^Am. 

 Journ. Sci., vol. xxv, *2d ser., pp. 439-442. New Haven, 1858. 



This article is mainly geologic, only the genera, which characterize the formations under dis- 

 cussion, being enumerated. 



11. 



Meek, F. B., and Hayden, F. V. Descriptions of new organic remains collected in 

 Nebraska Territory, in tbe year 1857, by Dr. F. V. Hayden,- geologist to the ex- 

 ploring expedition under the command of Lieut. G. K. Warren, Top. Eng., U. S. 

 Array; together with some remarks ou the geology of the Black Hills and i>ortiona 

 of the surrounding country. <^Proc. Acad. Nat. Sci. Phila., vol. x, pp. 41-59. 1858. 

 Philadelphia, 1859. 



Jurassic fossils. Afterward republished and illustrated, in 1805, in Paleontology of the 

 Upper Missouri, Smithsonian Contributions to Knowledge, 172. 



Page. 

 General section of the geological formations seen in and near the Black HUls (descend- 

 ing) 43-44 



Carboniferons rocks of the Black Hills 47 



Lower Siluriau 49 



Potsdam sandstone 49 



Metamorphic and igucous rooks 49 



Pentacrinus asterictts, n. s., M. & H., 1858 49-50 



Lingula brevirostris, n. s., M. & IT., 1858 50 



Inoceramus umbonatus, u. s., M. & H., 1858 50 



Avicida (llonolis) tenuicostata, n. s., M. &H., 1858 50-51 



Mytilus pertenuig, n. s , M. & H., 1858 51 



Area (CucuUcea) inornata, u. s., M. &H., 1858 51 



Unio nucalis, n. s. , M. &. II., 1858 52 



Corbula inornata, u. s., M. & H., 1858 52 



Panopa-a (Myacites) subelliptica, n. s., M. & H., 1858 52-53 



Teredo globom, u. s., M. & H., 1858 53 



Pholas cuneata, n. a., M. &, H., 1858 53 



Acteon (Solidula) attennuta, n. s., M. &H., 1858 54 



Helicoceras } tortus, n. s., M. & H., 1858 54-55 



Turrilites (llelicoccras) cochleatiis, u. 8.,M. &H., 1858 55-56 



Tunnies? iim&ifica<MS, n. 8-, M. & H.| 1858 , , , 56 



