1150 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Schuchertella interstriata (Hall). 



Orthis interstriata Hall, Pal. New York, 2, 1852, p. 320, 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 Mus., 

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



Schuchertella intcratriata Grabau and Shinier, 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 Coblesldll), 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. 



Schuchertella marylaiidica 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. 1; figs. 12 and 13, p. 74. 

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



deau); near Louisiana, Missouri (Edgewood). 



Schuchertella missouriensis 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 pec ten (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 Twenhofel, Bull. Geol. Soc. Amer., 21, 1910, 



p. 702. 



Niagaran (Brownsport) : Decatur County, Tennessee. 

 Richmond Anticostian: Island of Anticosti. 



Schuchertella proliflca 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. 



