WRITINGS OF ]\ D. OWEN AND B. F. SHUMARD. 249 



, Page. 



List of fossil genera and species found in the lower fossiliferoas limestone at St. Peter's 

 and Fort Snelling, which are identical with those occurring in the blue limestone of 



the Ohio Valley 131-132 



List of organic remains found near the "Big Spring," on the Upper Iowa Kiver 132 



List of organic remains found in the limestones (fig. 3) of Turkey River, near the 

 agency and the vicinity 133 



4. 



OwKN, D. D., and Shumaed, B. F. Desciiptious of fifteen uew species of Ciinoidea 

 from the snbearboniferous limestone of Iowa, collected during the U. S. Geological 

 Survey of Iowa, Wisconsin, and Minnesota, in the years 1848-'49. <^Jouru. 

 Acad. Nat. Sci., Philadelphia. Secoud series, vol. ii, part i, pp. 57-70, pi., vii. 

 Philadelphia, 18.50. 



This article was afterward republished in Owen's TJ. S. Geol. Eep. of Iowa, Wisconsin, and 



Minnesota. 



Page. 



Pltttycrinus, Miller 57 



P. planus, n. s., Owen & Shumard, 1850, pi. vii, figs. 4 a-c 57-58 



P. yandellii, n. s., Owen & Shumard, 1850, pi. vii, figs. G a,b 58 



P. (liscoideus,Ji. .«., Owen & Shumard, 1850, pi. vii, flgs. 1 a,b » 58-59 



P. corrugatus,n. s., Owen &. Shumard, 1850, pi. vii, figs. 2 a-e 59-60 



P burlingtonensis, n. s., Owen «fc Shumard, 1850, pi. vii, fig. 5 60-61 



Dichocrinus. Munster 61 



D. ovatus, n. s., Owen & Shumard, 1850, pi. vii, flgs. 9 a, b 61-62 



D. striatuii, n. s., Owen & Shumard, 1850, pi. vii, flgs. 10 a, 6 62-63 



Cyathocrinus, Miller 63 



C. iowensis, u. s., Owen & Shumard, 1850, pi. vii, figs. 1 1 a-c 63 



C. cornutus, n s., Owen & Shumard, 1850, pi. vii, figs. 8 a, 6 63-64 



Pentreniitex, Say 64 



P. norwoodii, n. s., Owen & Shumard, 1850, pi. vii, figs. 13 a-c 64-65 



P.melo,u. s., Oweu &. Shumard, 1850, pi. vii, figs. 14 a-c 65-66 



P. laterniformif!, ii. s., ( )weu & Shumard, 1850, pi. vii, fig. 15 66 



P. sielliformin, n. s., Owen & Shumard, 1850, j)!. vii, fig. 16 a, 6 67 



Aetinocrinus iinicormis, n. s., Owen & Shumard, 1850, pi. vii, flgs. 12 a, b 67-68 



Actinocrinun e)'ansii,n. s , Owen & Shumard, 1850, pi. vii, flgs. 3 a,b 68-69 



Owen, D. D., and Shumard, B. F. On the Number and Distribution of Fossil Spe- 

 cies in the Palujozoic Rocks of Iowa, Wisconsin, and Minnesota. <^Proc. Amer. 

 Ass. Adv. Sci., fifth meeting, 1851. pp. 235-239. Washington and Cincinnati, 1851. 



Owen, D. D., and Shumard, B. F. Description of seven new species of Crinoidea 

 from the sabcarboniferous limestone of Iowa and Illinois. <^ Journ. Acad. Na(. 

 Sci., Philadeli)hia. Second series, vol. ii, part ii, pp. 89-94, pi. xi. Philadelphia, 

 1852. 



This article was afterward republished in Owen's U. S. Geol. Rep. of Wisconsin, Iowa, .and 

 Miunesota. 



Page. 



Platijcrlnus. Miller 89 



P. americnmts, n. s., Owen & Shumard, 1852, pi. xi, flgs. 1 a, 6 89 



Poter>ocrinu.i. Miller 89 



P. rhombifcnis, n. s., Owen <fe Shumard, 1852, pi. xi, figs. 2 a-c 89-90 



P. tumiduK, n. s., Owen &, Shumard, 1852, pi. xi, flgs. 3 o, b 90-91 



P. spinosus, n. s. , Owen & Shumard, 1852, pi. xi, fig. 4 91-92 



P. (iccidentalis, n. ,s., Owen & Shumard, 1852, pi. xi. flgs. 5 n, 6 " 92-93 



Againzocrintis, Troost in MSS 93 



A. eonicua, n. s., Owen & Shumard, 1852, pi. xi, flg. 6 93 



Sfinbathocrinxis dentatun, n. .s., Owen & Shumard, 18.52, pi. xi, flgs. 7 a, 6 93-94 



