794 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Megambonia cancellata Hall. 



Megamborda cancellata Hall, Can. Nat. Geol., 5, 1860, p. 153. — Dawson, Canadian 



Nat., n. s., 9, 1880, p. 342. 

 Silurian: Arisaig, Nova Scotia. 



Megambonia jamesi Meek. See Allonychia jamesi. 



Megaxnbonia ovoidea Hall. 



Megambonia ovoidea Hall, Pal. New York, 3, 1859, p. 2*76, pi. 49A, figs. 4a, 4b. 

 Cayugan (Manlius): Schoharie County, New York. 



Megamboiiia striata Hall. 



Megambonia striata Hall, Can. Nat. Geol., 5, 1860, p. 153. — Dawson, Acadian 



Geol. 2d ed., 1S68, p. 603. 

 Silurian: Arisaig, Nova Scotia. 



Meganteris mutabilis Hall. See Rensseleeria mutabilis. 



Megaptera Meek and Worthen. See Opisthoptera Meek. 



Megaptera alata White. See Anomalodonta alata. 



Megaptera casei Meek and Worthen. See Anomalodonta casei. 



Megistocrinus christyi Hall. See Periechocrinus whitfieldi. 



Megistocrinus inpelix Winchell and Marcy. See Periechocrinus infelix. 



Megistocrinus Marcouanus Winchell and Marcy. See Periechocrinus marcouanus. 



Megistocrinus necis Winchell and Marcy. See Periechocrinus necis. 



Melia cancellatus Emmons. Not recognizable. 



Melia cancellatus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 153. 

 Loraine shales: New York. 



Melia cincinnatise D'Orbigny. Not recognizable. 



Melia cine innatiae D'Orbigny, Prod. Pal., 1, 1850, p. 4. 

 Blue limestone: Cincinnati, Ohio. 



Meloceras Foord. See Maelonoceras Hyatt. 



Melocrinites Goldfuss. See Melocrinus Goldfuss. 



MELOCRINUS Goldfuss. Genotype: M. hieroglyphicus Goldfuss. 



Melocrinites Goldfuss, Petrefacta Germanica, 1826, p. 197; ibid., 2d ed.* pt. 1, 

 1862, p. 183.— Agassiz, Mem. Soc. Sci. Natur. Neuchatel, 1, 1835, p. 196 — 

 Fischer de Waldheim, Oryct. Gouv. Moscou, 1837, p. 150. — Goldfuss, Nova 

 Acta Physico Med., Acad. Caes. Leop.-Carol., 19, 1839, p. 339.— Muller, 

 Monatsb. Berl. Akad., 1, 1841, p. 209. — Portlock, Rep. Geol. Londonderry, 

 1843, p. 346— D'Orbigny, Prodr. Pal., 1, 1850, p. 103— Hall, Pal. New York, 

 2, 1852, p. 227— D'Orbigny, Course Element, 2, 1852, p. 140. 



Melocrinus Agassiz, Ann. Nat. Hist., 1, 1838, p. 447. — Roemer, Archiv. fur Natur., 

 Jahrg. 19, 1, 1853, p. 214.— Pictet, Traite de Pal., 2d ed., 4, 1857, p. 325.— 

 Schultze, Denk. d. Kais. Akad. der Wiss., Math.-Naturw. CI., 26, Abth. 2, 

 1867, p. 173, fig. 12; Mon. Echin. Eifel Kalk, 18G7, p. 61— Beyrich, Ann. 

 Mag. Nat. Hist., 4th ser., 7, 1871, pp. 404, 405, fig— Hall, Geol. Surv. Ohio, 

 Pal., 2, 1875, p. 158.— Angelin, Icon. Crin. Suec, 1878, p. 19.— Zittel, Handb. 

 Pal., 1, 1879, p. 371.— Miller, N. A. Geol. Pal., 1889, p. 261.— Wachsmuthand 

 Springer, Proc. Acad. Nat. Sci. Philadelphia, 1890, p. 384.— Whidborne, 



