1122 BULLETIN" 92, UNITED STATES NATIONAL MUSEUM. 



Rhynchospira globosa— Continued. 



Rhynchospira globosa Schuchert and Maynard, Maryland Geol. Surv., Low. Dev., 



1913, p. 425, pi. 72, figs. 16-25. 

 Helderbergian : Albany County, New York (New Scotland); Pinto, Cash Valley, 



Cumberland, etc., Maryland (Keyser). 



Rhynchospira(?) helena (Nettelroth). 



Trematospira helena Nettelroth, Kentucky Fossil Shells, Mem. Kentucky Geol. 



Surv., 1889, p. 137, pi. 32, figs. 40-43. 

 Rhynchospira? helena Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 367. 

 Niagaran (Louisville): Louisville, Kentucky. 

 Holotype.—C&t. No. 51321, U.S.N.M. 



Rhynchospira lowi Whiteaves. 



Rhynchospira Lowi Whiteaves, Geol. Surv. Canada, Pal. Foss., 3, pt. 4, 1906, 



p. 277, pi. 25, figs. 8, 9. 

 Niagaran: Fawn River, Canada. 



Rhynchospira praeformosa Grabau. 



Retzia formosa Whitfield (not Hall), Ann. New York Acad. Sci., 5, 1891, p. 512, 

 pi. 5, figs. 15, 16; Geol. Ohio, 7, 1893, p. 413, pi. 1, figs. 15, 16.— Sherzer, 

 Michigan Geol. Surv., 7, pt. 1, 1900, p. 224, pi. 17, figs. 15, 16. 

 Rhynchospira prse-formosa Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 



131, pi. 20, figs. 2, 3; pi. 30, figs. 15, 16. 

 Lower Monroan (Greenfield): Greenfield, Ohio. 



Rhynchospira(?) sinuata Hall. 



Rhynchospira sinuata Hall, Canadian Nat. Geol., 5, 1860, p. 146. — Dawson, 



Acadian Geol., 3d ed., 1878, p. 597. 

 Retzia sinuata Miller, N. A. Geol. Pal., 1889, p. 367. 

 Silurian: Arisaig, Nova Scotia. 



RHYNCHOTREMA Hall. Genotype: Rhynchonella capax Conrad. 



Rhynchotrema Hall, 13th Rep. New York State Cab. Nat. Hist., 1860, p. 68, 

 figs. 12-14— Waagen, Pal. Indica, 13th ser., 1, 1883, p. 410— Winched and 

 Schuchert, Geol. Minnesota, 3, 1893, p. 458.— Hall and Clarke, Pal. New 

 York, 8, pt. 2, 1893, p. 182; 13th Ann. Rep. New York State Geol., 1895, 

 p. 825.— Koken, Die Leitfossilien, Leipzig, 1896, p. 245.— Miller, N. A. Geol. 

 Pal., 2d App., 1897, p. 763.— Grabau and Shimer, N. A. Index Fossils, 1, 

 1907, p. 281— Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, 

 p. 893.— Schuchert, Zittel-Eastman Textb. Pal., 1910, p. 323; 2d ed., 1913, 

 p. 396. 



Stenocisma Conrad, 2d Ann. Rep. New York Geol. Surv., 1839, pp. 58, 59 — 

 Meek and Hayden (part), Pal. Upper Missouri, Smiths. Cont. to Knowl., 

 14, 172, 1864, p. 16, footnote.— Hall, Pal. New York, 4, 1867, pp. 334, 335.— 

 Waagen, Pal. Indica, 13th ser., 1, 1883, pp. 411, 431, 436.— Miller, N. A. Geol. 

 Pal., 1890, p. 337— Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 187; 

 13th Ann. Rep. New York State Geol., 1895, p. 826.— Schuchert, Bull. U. S. 

 Geol. Surv., 87, 1897, p. 413 (see for discussion of genus). 



Rhynchotrema ainslici N. H. Winched. 



Rhynchonella ainsliei N. H. Winched, 14th Ann. Rep. Geol. Nat. Hist. Surv. 



Minnesota, 1886, p. 315, pi. 2, figs. 5, 6. 

 Rhynchotrema ainsliei Winched and Schuchert, Geol. Minnesota, 3, 1893, p. 459, 



pi. 34, figs. 1-8.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 282, 



fig. 3431-m. 

 Black River (Decorah): Minneapolis, St. Paul, etc., Minnesota; Decorah, Iowa. 



