796 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Melocrinus obpyramidalis (Winchell and Marcy). 



Actinocrinus obpyramidalis Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 

 1, 1865, p. 87, pi. 2, fig. 4. 



Melocrinus obpyramidalis Miller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 

 174. Wachsmuth and Springer, Rev. Pal., pt. 2, 1881, p. 122. Weller, Bull. 

 Chicago Acad. Sci., Nat. Hist. Surv., 4, 1900, p. 97, pi. 3, figs. 11, 12. 



Melocrinus verneuili Hall, 20th Rep. New York State Cab. Nat. Hist., 1868, p. 

 327, pi. 10 (1), fig. 5, p. 390; rev. ed., 1868 (1870), p. 372, pi. 10, fie,. 5. (Ex- 

 tras, 1865.) 



Niagaran (Racine): Bridgeport, Hawthorne, etc., Illinois. 



Melocrinus pachydactylus (Conrad). 



Astrocrinites pachydactylus Conrad, Ann. Rep. Pal. New York, 1841, p. 34. 



Mather, Geol. Rep. New York, 1843, p. 347, fig. 6. 



Mariacrinus pachydactylus Hall, Pal. New York, 3, 1859, p. 107, pi. 3, figs. 1-4. 

 Melocrinus pachydactylus Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 33, 1882, p. 296; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 296, 



pi. 23, figs. 4, 5; pi. 24, figs. 4a, b. Talbot, Amer. Jour. Sci., 20, 1905, p. 27, 



pi. 1, fig. 1. 



Mariacrinus paucidactylus Hall, Pal. New York, 3, 1859, p. 109, pi. 3, fig. 5. 

 Melocrinus paucidactylus Wachsmuth and Springer, Proc. Acad. Nat. Sci., 33. 



1882, p. 296; Mem. Mus. Comp. Zool., Harvard, 20, 1897, p. 296. 

 Actinocrinus polydactylus Bonny, Schenectady Reflector, 1835; Amer. Jour. 



Sci. Arts, 1838, p. 165. 

 Melocrinus (Mariacrinus) pachydactylus Schultze, Monog. Echin., Eifelk., 1866, 



p. 66. 

 Melocrinus (Mariacrinus) paucidactylus Schultze, Monog. Echin. Eifelk., 1866, 



p. 66. 

 Staghorn Encrinite Bonny, in Shepard's article in Amer. Jour. Sci., 26, 1835, p. 



363. 

 Helderbergian (Manlius transition beds): Schoharie, Jerusalem Hill, and North 



Litchfield, New York. 



MELOCRINUS PARVUS Wachsmuth and Springer. See Melocrinus aequalis. 



MELOCRINUS PAUCIDACTYLUS Wachsmuth and Springer. See Melocrinus pachydac- 

 tylus. 



Melocrinus roemeri Wachsmuth and Springer. 



Actinocrinites verneuili Troost, Proc. Amer. Assoc. Adv. Sci., 2, 1850, p. 60 



(nom. nud.). 



Turbinicrinites verneuili Troost MS., 1850. 



Melocrinus verneuili Shumard, Trans. Acad. Sci. St. Louis, 2, p. 381 (gen. ref.). 

 Cytocrinus Isevis Roemer (not Goldfuss), Sil. Fauna West. Tennessee, Breslau, 



1860, p. 46, pi. 4, figs. 2a-c. 



Ctenocrinus Isevis Shumard, Trans. Acad. Sci. St. Louis, 2, 1866, p. 361 (gen. ref.). 

 Melocrinus laevis Wachsmuth and Springer, Proc. Acad. Nat. Sci. Philadelphia, 



1881, p. 296 (Rev. Pal., pt. 2, p. 122). 

 Melocrinus roemeri Wachsmuth and Springer, Amer. Geol., 10, 1892, p. 142; Mem. 



Mus. Comp. Zool., Harvard, 20, 1897, p. 301, pi. 22, figs, lla, b. Wood, Bull. 



U. S. Nat. Mus., 64, 1909, p. 44, pi. 10," figs. 11, 12. Grabau and Shimer, 



N. A. Index Fossils, 2, 1910, p. 556, fig. 1888. 

 Niagaran (Brownsport): Decatur County, Tennessee. 

 Plesiotype.V&t. No. 39919, U.S.N.M. (Troost's type of T. verneuili). 



