1126 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Rhynchotrenia ininnesotense — Continued. 



Rhynchotrenia inaequivalvis 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=R. incre- 



bescens). 

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



etc., Wisconsin. 



Rhynchotrenia neenah (Whitfield). 



Rhynchonella 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. 



Rhynchotrenia 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. 

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

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



Rhynchotrenia perlainellosuin (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. 



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

 370. 



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

 Anticosti; Manitoba. 



Rhynchotrenia procteri Ulrich. 



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

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



Rhynchotrenia snbtrigonale (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. 

 Rhynchotrenia ina?quivalvis subtrigonalis Schuchert, Proc. U. S. Nat. Mus., 22, 



1900, p. 159. 

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



RHYNCHOTRETA Hall. Genotype: Rhynchonella cuneata Dalman. 



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

 1-4; 11th 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; 2d ed., 1913, p. 397. 



Rhynchotreta Americana Foerste. See Rhynchotreta cuneata americana. 



