BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 607 



Hemicystltes stellatus Continued. 



Agelacrinus (Hemicystites) stellatus Hall, 24th Rep. New York State Cab. Nat. 



Hist., 1872, p. 215, pi. 6, figs. 5, 6 (adv. sheets, 1866). 

 Maysville (Fairmount) : Cincinnati, Ohio, and vicinity. 



HEMIGYRASPIS Raymond. Genotype: Asaphus affinis McCoy. 



P Hemigyraspis Raymond, Ann. Carnegie Mus., 7, no. 1, 1910, p. 41; Trans, and 

 Proc. Roy. Soc. Canada, 5, 3d ser., sec. 4, 1912, p. 117; Zittel-Eastman Textb. 

 Pal., 1913, p. 719. 



Hemigyraspis collieana Raymond. 



Asaphus marginalis Collie (not Hall), Bull. Geol. Soc. Amer., 14, 1903, p. 413. 

 Hemigyraspis collieana Raymond, Ann. Carnegie Mus., 7, 1910, p. 41, pi. 14, 



figs. 9-13. 

 Canadian (Beekmantown) : Bellefonte, Pennsylvania. 



Hemigyraspis liquensis (Hoek). 



Ogygia liquensis Hoek, Neues Jahrb. Min., Geol. Pal., 34, 1912, p. 230, pi. 14. 

 Lowest Ordovician: Near Camargo, Bolivia. 



Hemigyraspis mcconnelli Raymond. 



Hemigyraspis mcconnelli Raymond, Bull. Victoria Memorial Mus., 1, 1913, p. 



40, pi. 4, fig. 4. 



Hemigyraspis sp. Raymond, Trans. Roy. Soc. Canada, 5, 1912, pi. 3, fig. 7. 

 Lower Ordovician (Ceratopyge beds): Three miles east of Golden, British 



Columbia. 



Hemigyraspis plana (Matthew). 



Asaphellus(?) planus Matthew, Bull. Nat. Hist. Soc. New Brunswick, no. 20, 



1902, p. 419, pi. 18, fig. 11; Geol. Surv. Canada, Rep. Cambrian Rocks Cape 



Breton, 1903, p. 237, pi. 18, fig. 11. 

 Canadian (Bretonian. Div. C 3c2): McLeod Brook, Boisdale, Cape Breton, 



Nova Scotia. 



HEMIPHRAGMA Ulrich. Genotype: Batostoma irrasum Ulrich. 



Batostoma (in part) Ulrich, Geol. Surv. Illinois, 8, 1890, p. 379. 



Hemiphragma Ulrich, Geol. Minnesota, 3, 1893, p. 299; Zittel's Textb. Pal. 

 (Engl. ed.), 1896, p. 275. Simpson, 14th Ann. Rep. State Geol. New York, 

 1894, 1897, p. 592. Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, 

 p. 35. Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 281, 282; Zittel-Eastman 

 Textb. Pal., 1913, p. 338. 



Hemiphragma imperfectum (Ulrich). 



Batostoma imperfectum Ulrich, Geol. Surv. Illinois, 8, 1890, p. 460, pi. 25, figs. 



3-3d 



Hemiphragma imperfectum Ulrich, Geol. Minnesota, 3, 1893, p. 301. 

 Monticulipora imperfectum J. F. James, Jour. Cincinnati Soc. Nat. Hist., 16, 



1894, p. 196. 



Richmond (Fernvale) : Wilmington, Illinois; Tennessee; Texas. 

 Sections of cofypes. Cat. No. 44061, U.S.N.M. 



Hemiphragma Irrasum (Ulrich). 



Batostoma irrasa Ulrich, 14th Ann. Rep. Geol. Nat. Hist. Surv. Minnesota, 

 1886, p. 94. 



Hemiphragma irrasum Ulrich, Geol. Minnesota, 3, 1893, p. 299, pi. 24, figs. 5-19; 

 Zittel's Textb. Pal. (Engl. ed.), 1896, fig. 460 (p. 275). Simpson, 14th Ann. 

 Rep. State Geol. New York for the year 1894, 1897, figs. 190-193 (p. 592). 

 Bassler, Bull. U. S. Nat. Mus., 77, 1911, pp. 284-286, figs. 172, 173; Zittel- 

 Eastman Textb. Pal., 1913, p. 338, fig. 493. 



