608 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Hemiphragma irrasum Continued. 



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



Decorah, Iowa; Wisconsin; etc. 



Middle Ordovician (Orthoceras limestone): Baltischport, Russia. 

 Cotypes and plesiotype.C&t. Nos. 43564, 57417, U.S.N.M. 



Hemiphragma ottawaense (Foord). 



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



figs. 1-lf. 



Hemiphragma ottawaense Ulrich, Geol. 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. 



2.3-23. 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. 

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

 Cotypes and plesiotype.Czt. Nos. 43563, 57416, U.S.N.M. 



Hemiphragma whitfieldi (James). 



Monticulipora (Chaetetes) whitfieldi James, Paleontologist, no. 5, 1881, p. 34. 

 Monticulipora whitfieldi James and James, Jour. Cincinnati Soc. Nat. Hist., 10, 



1888, p. 178. J. F. James, ibid., 16, 1894, p. 200. 

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



1907, p. 137. 

 Hemiphragma whitfieldi 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. 1-4; pi. 5, fig. 5. 



Eden (Economy, Southgate): Cincinnati, Ohio, and vicinity. 

 Plesiotypes.G&t. No. 35393, U.S.N.M. 



HEMIPRONITES Meek and Hayden. See Strophomena Rafinesque. 

 HEMEPRONITES AMERICANUS Whitfield. See Clitambonites diversus. 

 HEMIPRONITES APICALIS Whitfield. See Polytoechia apicalis. 

 HEMEPRONITES FILITEXTUS Miller. See Strophomena neglecta. 

 HEMIPRONITES PROPINQUUS Meek and Worthen. See Schuchertella proprinqua. 

 HEMIPRONITES SUBPLANUS Meek and Worthen. See Schuchertella propinqua. 

 HEMEPRONITES SUBTENTA Miller. See Strophomena planumbona subtenta. 



Hemisterias Rafinesque. Notrecognij 



Hemisterias Rafinesque, Bull. Soc. Geol. France, 10, 1839, p. 381. Binney 

 Tryon's Complete Writings of Constantine Smaltz Rafinesque on Recent 

 and Fossil Conch., 1864, p. 90. 



Hemisterias quadriloba Rafinesque. 



Hemisterias quadriloba Rafinesque, Binney and Tryon's Complete Writings 

 Constantine Smaltz Rafinesque on Recent and Fossil Conch., 1864, p. 90, fig. 

 Silurian??: Pennsylvania. 



HEMITHIRIS INCREBESCENS D'Orbigny. See Rhynchotrema insequivalve. 

 HEMITHIRIS SUBTRIGONALIS D'Orbigny. See Rhynchotrema iubtrigonale. 



