BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 605 



HELOPORA LINEATA Billings. See Nematopora lineata. 



Eelopora lineopora Billings. 



Helopora lineopora Billings, Catal. Sil. Foss. Anticosti, 1866, p. 38. 

 Nematopora? lineopora Ulrich, Geol. Surv. Illinois, 8, 1890, p. 645. 

 Gamachian (Ellis Bay) and Anticostian (Gun Paver): East of Jupiter River, etc., 

 Anticosti. 



HELOPORA MEEKI James. See Dicranopora meeki. 



Helopora mucronata Ulrich. 



Helopora mucronata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 1890, p. 192, 



figs., fig. IGe; Geol. Minnesota, 3, 1893, p. 193, pi. 3, 10. 

 Trenton (Prosser): Cannon Falls and St. Paul, Minnesota. 

 Cotypes.Cxt. No. 43677, U.S.N.M. 



HELOPORA NODOSA Billings. See Helopora formosa. 

 HELOPORA PARVULA James. See Bythopora parvula. 



Helopora quadrata Ulrich. 



Helopora quadrata Ulrich, Geol. Minnesota, 3, 1893, p. 193, fig. 10. 

 Trenton (Prosser): Cannon Falls, Minnesota. 

 Cotypes.C&t. No. 43567, U.S.N.M. 



Helopora spiniformls (Ulrich). 



Arthroclema spiniformis Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 161, 



pi. 6, figs. 10, lOa. 

 Helopora spiniformis Ulrich, Geol. Minnesota, 3, 1893, pi. 3, figs. 4, 5, 6; ZitteFs 



Textb. Pal. (Engl. ed.), 1896, fig. 469 (p. 283). Grabau and Shimer, N. A. 



Index Fossils, 1, 1907, p. 152, fig. 205j. Bassler, Zittel-Eastman Textb. Pal., 



1913, p. 343, fig. 502. 



Stones River (Lebanon): Lebanon, Lavergne, etc., Tennesee. 

 Cotypes. Cat. No. 43665, U.S.N.M. 



HELOPORA STRIATOPORA Billings. See Thamniscus striatopora. 

 HELOPORA STRIGOSA Billings. See Glauconome strigosa. 

 HELOPORA TENTHS James. See Arthrostylus tenuis. 

 HELOPORA VARIPORA Billings. See Lioclema variporum. 

 HEMICOSMITES Hall. See Ccelocystis Schuchert. 

 HEMICRYPTURUS Green. See Asaphus Brongniart. 

 HEMICRYPTURUS CLINTONI Van Ingen. See Calymene clintoni. 

 HEMICYSTIS Haeckel. See Hemicystites Hall. 



HEMICYSTITES Hall. Genotype: H. parasiticus Hall. 



Hemicystites Hall, Pal. New York, 2, 1852, pp. 245, 355. Chapman, Canadian 

 Jour., n. s., 2, 1857, p. 304. Pictet, Traite de Pal., 2d ed., 4, 1857, p. 305. 

 Hall, Pal. New York, 3, 1859, p. 152; 12th Rep. New York State Cab. Nat. Hist., 

 1859, p. 81. Zittel, Handb. Pal., 1, 1879, p. 414. Miller, N. A. Geol. Pal., 

 1889, p. 252. Jaekel, Stammes. Pelmat., 1, 1899, p. 49. Bather, Treatise on 

 Zool. (Lankester), pt. 3, 1900, p. 207. Zittel, Grundzuge Pal., 1, 1910, p. 

 182. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 473. 



Eemicystia Haeckel, Amphorideenu. Cystoideen, Leipzig, 1896, p. 111. 



