1150 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Schuchertella interstriata (Hall). 



Orthis interstriata Hall, Pal. New York, 2, 1852, p. 326, pi. 74, figs. 1, 2. 



Orthothetes interstriatus Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 297.— 

 Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 229, pi. 20, figs. 8, 9.— Schu- 

 chert, Amer. Geol., 31, 1903, p. 165. — Grabau, Bull. New York State Mua., 

 92, 1906, p. 109, fig. 8. 



Schuchertella interstriata Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 

 228, fig. 277.— Grabau, Michigan Geol. Surv., Geol. Ser., 1, 1909, p. 121, pi. 

 17, figs. 4, 5; pi. 32, figs. la-c. 



Orthothetes hydraulicus Grabau (not Whitfield), Bull. Geol. Soc. Amer., 2, 1900, 

 p. 365, pi. 22, figs, la-c; Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 184, fig. 92; 

 Bull. New York State Mus., 45, 1901, p. 184, fig. 92. 



Cayugan: Schoharie Valley, etc. (Rondoutand Cobleskill), Buffalo, etc. (Akron), 

 New York. 



Helderbergian (Decker Ferry) : Two miles south of Tristates, New York, etc. 



Upper Monroan (Lucas): Northern Ohio and Ontario. 



Schuchertella interstriata sinuata Holtedahl. 



Schuchertella interstriata sinuata Holtedahl, 2d Arct. Exp. "Fram," 1898-1902, 



No. 32, 1914, p. 20, pi. 7, fig. 6. 

 Helderbergian (Lower beds): Reindeer Valley, Southwestern Ellesmereland, 



Arctic America. 



Schuclicrtella marylaiulica Maynard. 



Schuchertella marylandica Maynard, Maryland Geol. Surv., Low. Dev., 1913, 



p. 333, pi. 61, figs. 5-9. 

 Helderbergian (Keyser): Cumberland, Maryland; Keyser, West Virginia. 



Schuchertella missouriensis (Shumard). 



Orthis missouriensis Shumard, Geol. Rep. Missouri, 1855, p. 205, pi. C, fig. 9. — 

 Keyes, Geol. Surv. Missouri, 5, 1895, p. 60. 



Schuchertella missouriensis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 48, 

 pi. ];figs. 12 and 13, p. 74. 



Upper Medinan: Cape Girardeau, Missouri; Alexander County, Illinois (Girar- 

 deau); near Louisiana, Missouri (Edgewood). 



Schuchertella lmssouriensis convexa Savage. 



Schuchertella missouriensis var. convexa Savage, Bull. Geol. Surv. Illinois, 23, 



1913, p. 74, pi. 4, fig. 2. 

 Upper Medinan (Edgewood — Noix): Louisiana, and near Buffalo Creek, Pike 



County, Missouri; near Hamburg, Illinois. 



Schuchertella pecten (Roemer). 



Strophomena pecten Roemer, Die Sil. Fauna West. Tennessee, 1860, p. 67, pi. 5, 



fig. 4.— Billings, Geol. Canada, 1863, p. 311, fig. 3:5; Cat. Sil. Fossils of Anti- 



costi, 1866, p. 40. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 



1130, figs. 

 Schuchertella pecten Schuchert and Twenhofcl, Bull. Geol. Soc. Amer., 21, 1910, 



p. 702. 

 Niagaran (Brownsport) : Decatur County, Tennessee. 

 Richmond — Anticostian: Island of Anticosti. 



Schuchertella prolifica Schuchert and Maynard. 



Schuchertella prolifica Schuchert and Maynard, Maryland Geol. Surv., Low. 



Dev., 1913, p. 327, pi. 60, figs. 1-3. 

 Helderbergian (Keyser): Keyser, West Virginia; Dawson, Devils Backbone, 



Corriganville, and Tonoloway, Maryland. 



