644 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Hormotoma anna (Billings). 



Murchisonia Anna Billings, Canadian Nat. Geol., 4, 1859, p. 358, figs. 8a-e; Geol. 



Canada, Geol. Surv. Canada, 1863, p. 119, fig. 32a-f. Lesley, Geol. Surv. 



Pennsylvania, Rep. P 4, 1889, p. 424, figs. 



Hormotoma anna Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1014 (gen. ref.). 

 Canadian: Mingan Islands, Canada. 



Hormotoma argylensls (Sardeson). 



Murchisonia argylensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 4, 1896, p. 97, 



pi. 5, figs. 11, 12. 

 Canadian (Shakopee): Near Argyle, Wisconsin; Shakopee and Cannon Falls, 



Minnesota. 



Hormotoma? artemesia (Billings). 



Murchisonia Artemesia Billings, Pal. Foss., 1, 1865, Geol. Surv. Canada, p. 345, 



text fig. 332a, b. 

 Hormotoma? artemesia Ulrich, Geol. Minnesota, 3, pt. 2, 1897, p. 1013 (gen. ref.). 



Bassler, Bull. Virginia Geol. Surv., 29, 1909, pi. 20, figs. 1, 2. 

 Canadian (Beekmantown): Counties of Leeds and Grenville, Canada; Virginia, 



etc. 



Hormotoma bellicincta (Hall). 



Murchisonia bellicincta Hall, Geol. Pal. New York, 1, 1847, p. 179, pi. 39, figs. 

 la, b. Emmons, Amer. Geology, 1, pt. 2, 1855, p. 162, pi. 5, figs, la, b, 12. 

 Salter, Quart. Jour. Geol. Soc. London, 15, 1859, p. 380, pi. 13, fig. 11. 

 Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 183, fig. 177. Miller, 

 Cincinnati Quart. Jour. Sci., 1, 1874, p. 314. Nicholson, Rep. Pal. Prov. 

 Ontario, pt. 2, 1875, p. 18, fig. 7a. Roemer, Leth. geog., 1, Leth. Pal., Atlas, 

 1876, pi. 5, fig. 7. Walcott, Amer. Jour. Sci. Arts, 3d ser., 35, 1888, p. 237, 

 fig. 2. Koken, Neues Jahrb. f. Min., Geol. Pal., 6, Beilage Bd., 1889, p. 371. 

 Lesley, Geol. Surv. Pennsylvania, P 4, 1889, p. 426, figs. Whiteaves, Pal. 

 Foss., Geol. Surv. Canada, 3, pt. 2, 1895, p. 123 (loc. occ.). 



Hormotoma bellicincta Ulrich and Scofield, Geol. Minnesota, 3, pt. 2, 1897, p. 

 1017, pi. 70, figs. 15-17. Grabau and Shimer, N. A. Index Fossils, 1, 1909, p. 

 650, fig. 887a. Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, 

 pi. 40, figs. 12, 12a. 



Trenton: Watertown, Middleville, Trenton Falls, etc., New York; 

 County, Minnesota (Prosser). 



Plesiotypes.Ca,t. No. 45850, U.S.N.M. (Ulrich and Scofield). 



HORMOTOMA BOYLEI Donald. See Turritoma boylei. 



Hormotoma? cassina (Whitfield). 



Murchisonia cassina Whitfield, Bull. Amer. Mus. Nat. Hist., 9, 1897, p. 179, pi. 



fig. 7. Seely, Vermont State Geol. Rep., 7, 1910, pi. 59, fig. 7. 

 Canadian (Beekmantown): Fort Cassin, Vermont. 



Hormotoma confusa (Whitfield). 



Murchisonia? confusa Whitfield, Bull. Amer. Mus. Nat. Hist., 2, 1889, p. 54, pi. 



figs. 16-18. Seely, Vermont State Geol. Rep., 7, 1910, pi. 60, figs. 6, 8. 

 Canadian (Beekmantown): Shoreham, Vermont. 



Hormotoma fasciata Branson. 



Hormotoma faaciata Branson, Trans. Acad. Sci. St. Louis, 18, 1909, p. 45, pi. 7, 



fig. 16. 

 Black River (Auburn Decorah): Lincoln County, Missouri. 



