392 TRANS. OP THE ACAD. OF SCIENCE. 



POTERIOCRINUS (continued). 



(?) enormis,t Meek & Worthen, 1861. Proc. Acad. Nat. Sci. Phil., 

 p. 137. — Enc. — Burlington, Iowa. 



jlorealis, v. Zeacrinus (Poteriocrinus) florealis. 



fusiformis, Hall, 1861. Des. NewCrin., Prelim. Not., p. 6.— 1861. 

 Boston Jour. Nat. Hist., vol. vii., p. 302. — Enc. — Burling- 

 ton, Iowa. 



gracilis, v. Homocrinus gracilis. 



indentus, Hall, 1862. 15th Rep. Reg. State Cab. N. York, p. 122. 



Ham. — Ontario Co., New York. 

 Indianensis, Meek & Worthen, 1865. Proc. Acad. Nat. Sci. Phil., 



p. 155. — Arch. — Crawfordsville, Indiana. 

 Keokuk, Hall, 1860. Geol. Iowa, Sup. to vol. i., p. 64. 

 lepidus, Hall, 1861. Des. New Crin., Prelim. Not., p. 6.— 1861. 



Bost. Jour. Nat. Hist., vol. vii., p. 304. — Enc. — Burlington, 



Iowa. 



longidactylus, v. P. Missouriensis. 



maniformis, v. Zeacrinus maniformis. 



Meekianus, Shumard, 1855. 2d Rep. Geol. Surv. Missouri, pt. 2, 



p. 188, pi. A, fig. 7 a. b. — Chem. — Mt. Vernon, Moniteau 



Co., Missouri. 

 Missouriensis — P. longidaciylus, Shumard, 1855. 2d Rep. Geol. 



Missouri, pt. 2, p. 188, pi. B., fig. 5. (Not P. longidaciylus, 



Austin.) — P. Missouriensis, 1857. Trans. Acad. Sci. St. 



Louis, vol. i., p. 80. — Hall, 1858. Geol. Iowa, vol. i., pt. 2, 



p. 669, pi. 17, fig. 7.— Dana, 1863. Man. Geol., p. 312, fig. 



523. — St. L. — St. Louis, Missouri, 

 municipalis,* Troost, 1850. List Crin. Tenn. in Proc. Am. Assoc. 



Camb. Meet., p. 61. — Tennessee, 

 nassa, Hall, 1862. 15th Rep. Reg. State Cab. N. York, p. 120.— 



Ham. — Canandaigua Co., New York, 

 nereus, Hall, 1862. 15th Rep. Reg. State Cab. New York, p. 121. 



— Ham. — Ontario Co., New York. 

 (Scaphiocrinus) Norwoodi, Meek & Worthen, 1865. Proc. Acad. 



Nat. Sci. Phil., p. 159.— Kas.— Pope Co., Illinois, 

 nycteus, Hall, 1862. 15th Rep. Reg. State Cab. N. York, p. 120. 



— Ham. — Ontario Co., New York, 

 obuncus, White, 1862. Proc. Bost. Soc. Nat. His., vol. ix., p. 10. 



— Enc. — Burlington, Iowa. 

 occidentals, v. Agassizocrinus occidentalis. 

 pisiformis,t Rcemer, 1860. Sil. Faun. West. Tenn., p. 54, pi. 4, 



fig. 7. — Niag. — Perry Co., Tennessee. 

 Pleias, Hall, 1863. Crin. Wav. Sands. Ohio, p. 8.— Chem.— Sum- 

 mit Co., Ohio. 



t This species has been recently transferred by the authors to the Genus 

 Cyathocrinus. — (Proc. Acad. Nat. Sci. Phil., p. 152, Aug., 1865.) 



t This is probably one of the species enumerated, in Troost's Catalogue 

 of Crinoidea of Tennessee, under Haplocrinus. 



