SHUMARD — CATALOGUE OF PALAEOZOIC FOSSILS. 391 



PLEURGCYSTITES (continued). 



squaniosus, Billings, 1854. Canad. Jour., vol. ii., p. 251. — 1857. 

 Geol. Surv. Canada, p. 286. — 1858. Can. Org. Rem., Dec. 

 in., p. 49, pi. 1, fig. 1.— Dana, 1863. Man. Geol., p. 211, 

 fig. 285. — TV. — Ottawa, Canada. 



POROCRLXUS, Billings, 1857. Rep. Geol. Canada, p. 279. 



conicus, Billings, 1857. Rep. Geol. Surv. Canada, p. 279. — 1858. 



Canad. Organ. Rem., Dec. iv., pi. 2, fig. 5. — TV. — Ottawa, 



Canada, 

 crassus, Meek & Worthen, 1865. Proc. Acad. Nat. Sci. Phil., p. 



115. — H. R. — Oswego, Kendall Co., Illinois, 

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



p. 146. — Tr — iDixon, Illinois. 



POTERIOCRINUS (Poteriocrinites), Miller, 1821. Nat. Hist. Crin., 

 p. 67. — Encrinites, Schlotheim, 1823. JSachtr. z. Petref. 

 — Cu-pressocrinus, McCoy, 1849. Ann. & Mag. Nat. Hist. 



sequalis, Hall, 1860. Geol. Iowa, Sup., p. 63. — Eric. — Burling- 

 ton, Iowa. 

 alternatus, v. Homocrinus alternatus. 



Barrisi, Hall, 1801. Des. New Crin., Prelim. Not., p. 6.— 1861. 

 Bost. Jour. Nat. Hist., vol. vii., p. 303. — Eric. — Burlington, 

 Iowa. 



(Scaphiocrinus) Bayensis, Meek & Worthen, 1865. Proc. Ac. Nat. 

 Sci. Phil., p. 157. — Kas. — Bay City, Pope Co., Illinois. 



bursseformis, White, 1862. Proc. Bost. Soc. Nat. Hist., vol. ix., 

 p. 10. — Enc. — Burlington, Iowa. 



calyculus, Hall, 1858. Geol. Iowa, vol. i., pt. 2, p. 553, pi. 9, fig. 

 6. — Enc. — Burlington, Iowa. 



(Zeacrinus) carbonarius — Poteriocrinus (Scaphiocrinus) carbo- 

 narius, Meek & Worthen, 1861. Proc. Ac. Nat. Sci. Phil., 

 p. 140. — 1865. Poteriocrinus (Zeacrinus) carbonarius. 

 Proc. Acad. Nat. Sci. Phil., p. 152.— C. M. — Springfield, 

 Illinois. 



carinatus — Meek & Worthen, 1861. Proc. Acad. Nat. Sci. Phil., 

 p. 139. — Enc. — Burlington, Iowa. 



Corycia, Hall, 1863. Crin. Waverly Sands. Ohio, p. 8.— Chem.— 

 Summit County, Ohio. 



Crineus, Hall, 1863. Crin. Waverly Sands. Ohio, p. 7. — Chem. — 

 Summit Co., Ohio. 



cultidactylus, Hall, 1860. Geoi. Iowa, Sup. to vol. i., p. 62.— 

 Enc. — Burlington, Iowa. 



(Scaphiocrinus) decadactylns, Meek & Worthen, 1860. Proc. Ac. 

 Nat. Sci. Phil., p. 394. — Arch. — Warsaw, Illinois. 



diffusus, Hall, 1862. 15th Rep. Reg. State Cab. N. York, p. 121. 

 — Ham. — Ontario Co., New York. 



dilatatus, v. Coeliocrinus dilatatus. 



