BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 1125 



RHYNCHOTREMA INJEQUIVALVIS var. LATICOSTATA Winchell and Schuchert. See 

 Rhynchotrema increbescens laticostatum. 



RHYNCHOTREMA IN^EQUIVALVIS SUBTRIGONALIS Schuchert. See Rhynchotrema sub- 

 trigonale. 



Rhynchotrema increbescens (Hall). 



Atrypa increbescens (part) Hall, Pal. New York, 1, 1847, pp. 146, 289, pi. 33, figs. 

 13a-h; ?pl. 79, fig. 6. Emmons, Amer. Geology, 1, pt. 2, 1855, p. 192, pi. 10; 

 figs. 13a-x. 



Rhynchonella increbescens Billings (part), Canadian Nat. Geol., 1, 1856, p. 207, 

 figs. 11-14. Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, p. 66.- 

 Chapman, Canadian Jour., n. s., 7, 1862, p. 114, fig. 104; ibid., 8, 1863, p. 199, 

 fig. 187. Billings, Geol. Canada, 1863, p. 168, fig. 153. Chapman, Expos. 

 Min. and Geol. Canada, 1864, p. 118, fig. 104; p. 171, fig. 187. Nettelroth, 

 Kentucky Fossil Shells, Mem. Kentucky Geol. Surv., 1889, p. 83, pi. 34, figs. 

 26-29. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 890, figs. 

 Sardeson, Amer. Geol., 19, 1897, p. 184. 



Rhynchotrema increbescens Hall and Clarke, Pal. New York, 8, pt. 2, 1893, pp. 

 183, 185. Hayes and Ulrich, U. S. Geol. Surv., folio 95, illus. sheet, 1903, 

 figs. 38, 39. Bassler, Bull. Virginia Geol. Surv., 2a, 1909, p. 183, figs. 20, 5-8. 



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



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

 3, 1893, p. 459, pi. 34, figs. 12-14, 24, 25 (not 9-11, 15-23=R. minnesotensis). 

 Whiteaves, Pal. Foss. Geol. Surv. Canada, 3, pt. 2, 1895, p. 121; ibid., pt. 3, 

 1897, p. 179. Schuchert, Proc. U. S. Nat. Mus., 22, 1900, p. 159. Weller, 

 Geol. Surv. New Jersey, Pal., 3, 1903, p. 159, pi. 10, figs. 15-18. Grabau and 

 Shimer, N. A. Index Fossils, 1, 1907, p. 281, figs. 243a-d. Foerste, Bull. Sci. 

 Lab. Denison Univ., 14, 1909, p. 314, pi. 7, figs. lOa-c. 



Trematospira(?) quadriplicata Miller, Cincinnati Quart. Jour. Sci., 2, 1875, p. 60, 

 figs. 6, 7. 



Rhynchotreta quadriplicata Miller, N. A. Geol. Pal., 1889, p. 370, fig. 608. 



Trenton: Middleville, etc., New York; Canada; Virginia; Kentucky; Tennessee; 

 Illinois; Wisconsin; Minnesota; Iowa; etc. 



Plesiotypes Cat. Nos. 35399, 51375, U.S.N.M. (Nettelroth and Hayes and Ulrich). 



Rhynchotrema increbescens laticostatum (Winchell and Schuchert). 



Rhynchotrema inaequivalvis var. laticostata Winchell and Schuchert, Amer. 



Geol., 9, April 1, 1892, p. 293; Geol. Minnesota, 3, 1893, p. 461, pi. 34, figs. 



26-29. 

 Rhynchonella sancta Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, April 9, 1892, 



p. 333, pi. 4, figs. 19, 20. 



Rhynchonella insequivalvis var. laticostata Sardeson, Amer. Geol., 19, 1897, p. 185. 

 Trenton (Prosser): Cannon Falls, Minnesota. 



Rhynchotrema manniense Foerste. 



Rhynchotrema capax manniensis Foerste, Jour. Geol., 11, 1903, p. 38. 

 Rhynchotrema manniensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 



215, pi. 7, fig. 4. 

 Richmond (Fern vale): Clifton, Riverside, etc., Tennessee. 



Rhynchotrema minneso tense (Sardeson). 



Rhynchonella minnesotensis Sardeson, Bull. Minnesota Acad. Nat. Sci., 3, 1892, 



p. 333, pi. 4, figs. 21-23; Amer. Geol., 18, 1896, p. 184. 

 Rhynchotrema minnesotensis Schuchert, Proc. U. S. Nat. Mus., 32, 1900, p. 158. 



