608 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Hcmlphragma Irrasum — Continued. 



Black River (Decorah) and Trenton (Prosser): Minneapolis, etc., Minnesota; 



Decorah, Iowa; Wisconsin; etc. 

 Middle Ordovician (Orthoceras limestone): Baltischport, Russia. 

 Cotypcs and plesioUjpe. — Cat. Nos. 43564, 57417, U.S.N.M. 



Hemtphragma ottawaense (Foord). 



Batostoma Ottawaense Foord, Contr. Micro-Pal. Cambro-Sil., 1883, p. 18, pi. 2, 



figs. 1-1 f. 

 Hemiphragma ottawaense Ulrich, Geo!. Minnesota, 3, 1893, p. 300, pi. 24, figs. 1-4. 

 Batostoma (Hemiphragma) ottawaense Sardeson, Jour. Geol., 9, 1901, p. 13. 

 Black River and Trenton: Ottawa and Paquettes Rapids, Ottawa River, Canada; 



Kenyon, Berne, and Mantorville, Minnesota. 



Hemiphragma tenuimurale Ulrich. 



Hemiphragma tenuimurale Ulrich, Geol. Minnesota, 3, 1893, p. 301, pi. 24, figs. 



20-23.— Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 282, 283, figs. 170, 171. 

 Batostoma (Hemiphragma) tenuimurale Grabau and Shimer, N. A. Index Fossils, 



1, 1907, p. 137, fig. 1901. 

 Trenton (Prosser): Goodhue County, Minnesota; Iowa. 

 Mddle Ordovician (Wassalem): Uxnorm, near Reval, Esthonia, Russia. 

 CoUjpes and plesiotype.— Cat. Nos. 43563, 57416, U.S.N.M. 



Hemiphragma whitfleldi (James). 



Monticulipora (Chsetetes) wliitfieldi James, Paleontologist, no. 5, 1881, p. 34. 

 MonticuUpora whitfleldi James and James, Jour. Cincinnati Soc. Nat. Hist., 10, 



1888, p. 178.— J. F. James, ibid., IG, 1894, p. 200. 

 Batostoma (Hemiphragma) whilfieldi Grabau and Shimer, N. A. Index Fossils, 1, 



1907, p. 137. 

 Hemiphragma whitfleldi Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, 



p. 286.— Bassler, Proc. U. S. Nat. Mus., 30, 1906, p. 40, p. 8, figs. 15, 16; pi. 4, 



figs. 1^; pi. 5, fig. 5. 

 Eden (Economy, Southgate): Cincinnati, Ohio, and \'icinity. 

 Plesiotypes.— Cat. No. 35393, U.S.N.M. 



Hemipronites Meek and Hayden. See Strophomena Raflnesque. 



Hemipronites americanus Whitfield. See CUtambonites diversufl. 



HEMtPRONiTES APicALis Whitfleld. See Polytoechia apicaUs. 



HEMrPRONiTEs FiLiTEXTUs Miller. See Strophomena neglecta. 



Hemipronites propinquus Meek and Worthen. See Schuchertella proprinqua. 



Hemipronites subplanus Meek and Worthen. See Schuchertella propinqua. 



HEMiPRONrrES subtenta Miller. See Strophomena planumbona subtenta. 



Hemisterias Raflnesque. Not recognized. 



Hemisterias Raflnesque, Bull. Soc. Geol. France, 10, 1839, p. 381. — Binncy and 

 Tryon's Complete Writings of Constantino Smaltz Raflnesque on Recent 

 and Fossil Conch., 1864, p. 90. 



Hemisterias quadriloba Raflnesque. 



Hemisterias quadriloba Raflnesque, Binney and Tryon's Complete Writings of 

 Constantino Smaltz Raflnesque on Recentand Fossil Conch., 1864, p. 90, fig. 1. 

 Silurian??: Pennsylvania. 



HEMrrmRis increbesoens D'Orbigny. See Rhynchotrema insequivalve. 



Hemithiris 8UBTRIOONAU9 D'Orbigny. See RhynchotremA «ubtrigonal«. 



