SHUMARD — CATALOGUE OF PAL2EOZOIC FOSSILS. 349 



ACTINOCRINUS, Miller (continued). 

 tenuiscvlptus, v. A. sculptus. 

 tenuiradiatus, Hall, Feb., 1861. Des. New Cnnoidea, Prelim. 



Not., p. 12.— Enc— Burlington, Iowa. 

 tenuiradiatus, Hall, 1847 (not of Iowa Rep.) See Palaeocystites 



tenuiradiatus. 

 Thalia, Hall, Feb., 1861. Des. New Crinoidea, Prelim. Not-., p. 



13.— £,ic— Burlington, Iowa. 

 Themis, Hall, Feb., 1861. Des. New Crinoidea, Prelim. Not., p, 



11.— Enc— Burlington, Iowa. 

 Thetis, Hall, Feb., 1861. Des. New Crinoidea, Prelim. Not., p. 



11. — Enc. — Burlington, Iowa. 

 Tholus, Hall, 1860. Geol. Iowa, Sup. to vol. i., p. 35.— Enc.— ' 



Burlington, Iowa. 

 tricornis, Hall, 1858. Geol. Iowa, vol. i., p. 569.— Enc.— Bur- 

 lington, Iowa, 

 trinodus, Hall, 1858. Geol. Iowa, vol. i., p. 575, fig. 83.— Enc.— 



Burlington, Iowa. 

 turbinates, Hall, 1858. Geol. Iowa, vol. i., p. 587, pi. 11, fig. 1. 

 — Enc. — Buriington, Iowa, 

 var. elegans, Hall, 1858. Geol. Iowa, vol. i., p. 588, pi. 11, fig. 

 5.— Enc. — Burlington, Iowa, 

 unicarinatus, Hall, 1860. Geol. Iowa, Sup. to vol. i., p. 48.— 



Arch. — Nauvoo, Illinois, 

 unicornis, Owen and Shumard, 1850. Jour. Acad. Nat. Sci. Phil., 

 vol. ii., new ser., p. 67, pi. 7, fig. 12. Geol. Rep. Iowa, 

 Wisconsin and Minnesota, p. 593, tab. V, A, fig. 12.— Hall, 

 1858. Geol. Iowa, vol. i., p. 568, pi. x., fig. 5.— Dana, 1863. 

 Man. Geol. p. 312, fig. 525.— Enc— Burlington, Iowa; near 

 Monmouth, Illinois, 

 unispinus, Hall, Feb., 1861. Des. New Crinoidea, Prelim. Not., 

 p. 2.— Id. Jan., 1861. Jour. Bost. Soc.Nat. Hist., vol, vii., 

 p. 270. — Enc. — Burlington, Iowa. 

 umbrosus, Hall, 1858. Geol. Iowa, vol. i., p. 590, pi. xi., fig. 3. 



— Enc. — Burlington, Iowa, 

 urna,* Troost, 1850. List Crin. Tenn., Proc. Amer. As60C Camb. 



Meet., p. 60.— Arch.(?) — Tennessee. 

 urnaeformis, McChesney, 1860. New Pal. Foss., p. 2Z.—Enc— 



Honey Creek, Illinois. 

 validus, v. A. coucinnus. 



ventricosus, Hall, 1858. Geol. Iowa, vol. i., p. 595, pi. xi., Sg._6. 

 — Id. 1861. Boston Journal Nat. Hist., vol. vii., p. 279. 

 (Compare A. cancellatus, Hall.)— Enc— Burlington, Iowa, 

 var. internodius, Hall, Feb., 1861. Des. New Crinoidea, Pre- 

 lim. Not., p. 3. — Enc. — Burlington, Iowa, 

 var. cancellatus, Hall, Feb., 1861. Des. New Crinoidea, Pre- 

 lim. Not., p. 3. — Enc — Burlington, Iowa, 

 verrucosus, Hall, 1858. Geol. Iowa, vol. i., p. 578, fig. 84, pi. 10, 



fig. 7. — Enc — Burlington, Iowa. 

 Verneuili, v. Melocrinus Verneuili. 



