768 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



LOXONEMA— Continued. 



Band, 1889, p. 440.— Miller, N. A. Geol. Pal., 1889, p. 406.— Whidborne, 

 Mon. Dev. Fauna South England, 1, Pal. Soc, 1891, p. 172.— Koken, Die 

 Leitfossilien, Leipzig, 1896, p. 108. — Grabau, Bull. Buffalo Soc. Nat. 

 Sci., 6, 1899, p. 275.— Pilsbry, Zittel-Eastman Textb. Pal., 1, 1900, p. 456. 



Loxonema aculeatum Billings. See Hormotoma? aculeata. 



Loxonema boydl Hall. 



Loxonema Boydii Hall, Geol. New York, 4, 1843, p. 137, fig. 3; p. 138; tab. ill., 25, 



fig. 3. — Owen, Amer. Jour. Sci. Arts, 2d ser., 1, 1846, fig. 3. — Whiteaves, Pal. 



Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 86. 

 Murchisonia boydii Hall, Pal. New York, 2, 1852, p. 346, pi. 83, fig. 3.— Billings, 



Geol. Canada, Geol. Surv. Canada, 1863, p. 339, fig. 345. — Chamberlin, Geol. 



Wisconsin, 1, 1883, p. 193, fig. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 



18S9, p. 427, figs. 

 Niagaran (Guelph): Near Newark, Wayne County, New York; Gait, nespeler, 



and Durham, Ontario. 



Loxonema fltchl Hall, 



Loxonema fitchi Hall, Pal. New York, 3, 1859, p. 296, pi. 54, figs. 9, 11a, lib — 

 Ohern Geol. Surv. Maryland, Low. Dev., 1913, p. 467, pi. 79, fig. 7.— Holte- 

 dahl, 2d Arct. Exp. "Fram", 1898-1902, No. 32, 1914, p. 31, pi. 8, fig. 10. 



Cayugan (Manlius) : Carlisle, Schoharie and Albany Counties, New York; Mary- 

 land. 



Helderbeigian (Lower beds): Southwestern Ellesmereland, Arctic America. 



Loxonema led a Hall. 



Loxonema leda Hall, 20th Rep. New York Mus. Nat. Hist., 1868, p. 367, pi. 15 (6), 



fig. 2; rev. ed., p. 398, pi. 15, fig. 2. 

 Niagaran (Racine): Wauwatosa, Wisconsin; Bridgeport, Illinois. 



Loxonema magnum Whiteaves. See Hormotoma whiteavesii. 



Loxonema?? magnum Whitfield. • 



Loxonema magna Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1S78, p. 83; Geol. 



Wisconsin, 4, 1882, p. 317, pi. 24, fig. 1. 

 Niagaran (Guelph): Carlton Township, Wisconsin. 



Loxonema mcclintocki Haughton. 



Loxonema McClintocki Haughton, Jour. Geol. Soc. Dublin, 1, 1857, p. 239, pi. 5, 



figs. 2, 5. 

 Niagaran: Port Leopold, North East Cape, Arctic America. 



Loxonema? murrayannm Salter. 



Loxonema Murrayana Salter, Geol. Surv. Canada, dec. 1, 1859, p. 31, pi. 6, fig. 6. 

 Black River (Leray) : Pauquettes Rapids, Ottawa River, Canada. 



Loxonema parvnm Grabau. 



Loxonema parva Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 176, pi. 



16, fig. 6. 

 Upper Monroan (Lucas): Salt shaft, Detroit, Michigan. 



Loxonema rossi Haughton. 



Loxonema Rossi Haughton, Jour. Geol. Soc. Dublin, 1, 1859, p. 239, pi. 5, figs. 



6, 8-11. 

 Niagaran: Beechy Island, Arctic America. 



