1126 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhynchotrema inlnnesotense Continued. 



Rhynchotrema insequivalvis Winchell and Schuchert (part), Geol. Minnesota, 3, 



pt. 1, 1893, p. 459, pi. 34, figs. 9-11, 15-23 (not figs. 12-14, 24, 25=11. incre- 



bescens). 

 Black River (Platteville and Decorali): St. Paul, etc., Minnesota; Platteville, 



etc., Wisconsin. 



Rhynchotrema neenah (Whitfield). 



Rhynchonellai neenah Whitfield, Geol. Wisconsin, 4, 1882, p. 265, pi. 12, figs. 



19-22. Winchell and Schuchert, Geol. Minnesota, 3, 1893, p. 465, pi. 34, figs. 



35-37. 

 Richmond (Maquoketa): Iron Ridge, Clifton, etc., Wisconsin; Savannah, Illinois; 



Lattners, Iowa. 



Rhynchotrema ottawaense (Billings). 



Porambonites? ottawaensis Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 



140, fig. 117 (adv. sheets, 1862). Miller, N. A. Geol. Pal., 1889, p. 362, fig. 



598. 



Rhynchotrema ottawaensis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 369. 

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



Rhynchotrema perlamellosum (Whitfield). 



Rhynchonella perlamellosa Whitfield, Ann. Rep. Geol. Surv. Wisconsin, 1877, 

 1878, p. 73. James, Paleontologist, 2, 1878, p. 15. Whitfield, Geol. Wis- 

 consin, 4, 1882, p. 265, pi. 12, figs. 23-25. 



Rhynchotrema perlamellosum Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 

 370. 



Richmond: Delafield and Iron Ridge, Wisconsin; Oxford, etc., Ohio; Indiana; 

 Anticosti; Manitoba. 



Rhynchotrema procteri Ulrich. 



Rhynchonella procteri Ulrich, Amer. Geol., 1, 1888, p. 181. 

 Trenton (Flanagan): Danville, etc., Kentucky. 



Rhynchotrema subtrigonale (Hall). 



Atrypa subtrigonalis Hall, Pal. New York, 1, 1847, p. 145, pi. 33, fig. 12. Em- 



mons, Amer. Geology, 1, pt. 2, 1855, p. 191, pi. 10, fig. 12. 

 Hemithiris subtrigonalis D'Orbigny, Prodr. de. Pal., 1, 1849, p. 18 (gen. ref.). 

 Rhynchonella subtrigonalis Hall, 12th Rep. New York State Cab. Nat. Hist., 



1859, p. 66. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 902, figs. 

 Rhynchotrema insequivalvis subtrigonalis Schuchert, Proc. U. S. Nat. Mus., 22, 



1900, p. 159. 

 Trenton: Turin, etc., New York; Kentucky; Baffin Land. 



RHTNCHOTRETA Hall. Genotype: Rhynchonella cuneata Dalman. 



Rhynchotreta Hall, 28th Rep. New York State Mus. Nat. Hist., 1879, p. 166, figs. 

 1-4; llth Rep. State Geol. Indiana, 1882, p. 309. Nettelroth, Kentucky 

 Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 84. Miller, N. A. Geol. 

 Pal., p. 370. Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 185; 13th 

 Ann. Rep. New York State Geol., 1895, p. 825. Williams, Bull. U. S. Geol. 

 Surv., 165, 1900, p. 59. Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 192; 

 Bull. New York State Mus., 45, 1901, p. 192. Grabau and Shimer, N. A. 

 Index Fossils, 1, 1907, p. 282. Schuchert, Zittel-Eastman Textb. Pal., 1900, 

 p. 323; 2ded.,1913, p. 397. 



RHYNCHOTRETA AMERICANA Foerste. See Rhynchotreta cuneata americana. 



