BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 419 



DICRANOPELTIS Hawle and Corda. Genotype: Lichas ecabra Beyrich. 



Dicranopeltis Hawle and Corda, Abh. d. k. bohmischen Gesell. Wise., 5, 1847 

 (extract), p. 141, pi. 7, fig. 75. Gurich, Neues Jahrb. Min., Geol. Pal., 14, 

 Beilage-Band, 1901, p. 525. Reed, Quart. Jour. Geol. Soc. London, 58, 

 1902, pp. 63, 61; sec. B, pp. 71, 82. Grabau and Shimer, N. A. Index Fossils, 

 2, 1910, p. 310. 



Dicranopeltis arkaiisana (Van Ingen). 



Arges arkansana Van Ingen, School of Mines Quart., 23, 1901, p. 61, fig. 19, pi. 



figs. 19-21. 

 Niagaran (St. Clair): St. Clair Springs, Independence County, Arkansas. 



Dlcranopeltls decipieiis (Wiuchell and Marcy). 



Lichas breviceps? Hall, Adv. sheets., 18th Rep. New York State Cab. Nat. Hist., 

 1865, p. 30 (not Hall, 1864); 20th Rep. New York Sin to Cab. Nat. Hist., 1867, 

 p. 334, p. 377, pi. 21, figs. 12-14; rev. ed., 1870, p. 424, pi. 21, figs. 12-14. 



Lichas dccipiens Winchell and Marcy, Mem. Boston Soc. Nat. Hist., 1, 1865, p. 104, 

 pi. 3, fig. 11. 



Lichas emarginatus Hall, 28th Rep. New York State Mus. Nat. Hist., mus. ed., 

 1879, p. 199. 



Dicranopeltis decipieiis Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 

 2, 1907, p. 237, pi. 22, figs. 10, 11. Grabau and Shimer, N. A. Index Fossils, 2, 

 1910, p. 311, fig. 1621f, g. 



Niagaran (Racine): Bridgeport, Hawthorn, and Lemont, Illinois; Graf ton, Wis- 

 consin. 



Dicranopeltis nasuta Weller. 



Dicranopeltis nasuta Weller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 



1907, p. 240, pi. 22, figs. 5-7. 

 Niagaran (Racine): Milwaukee, Wisconsin. 



Dicranopeltis teller! Weller. 



Dicranopeltis telleri W 7 eller, Bull. Chicago Acad. Sci., Nat. Hist. Surv., 4, pt. 2, 



1907, p. 241, pi. 22, figs. 8-9. 

 Niagaran (Racine): Milwaukee, Wisconsin. 



DICRANOPORA Ulrich. Genotype: Ptilodictya internodia Miller and Dyer. 



Dicranopora Ulrich, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, pp. 152, 166. 

 Miller, N. A. Geol. Pal., 1889, p. 300. Ulrich, Geol. Surv. Illinois, 8, 1890, 

 p. 389. Pocta, Syst. Sil. Centre Boheme, 8, pt. 1, p. 14. Simpson, 14th 

 Ann. Rep. State Geol. New York for the year 1894, 1897, p. 545. Nickles 

 and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 49. Cumings, 32d Ann. 

 Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 745. 



Dicranopora einacerata (Nicholson). 



Ptilodictya emacerata Nicholson, Ann. Mag. Nat. Hist., 4th ser., 15, 1875, p. 179, 



pi. 14, figs. 3-3b; Pal. Ohio, 2, 1875, p. 261, pi. 25, figs. 5-5b. Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, 1889, p. 826, figs. 

 Dicranopora emacerata Ulrich, Contr. Micro-Pal. Cambro-Sil., pt. 2, 1889, p. 40. 



Whiteaves, Pal. FOBS., 3, 1895, p. 118. Cumings, 32d Ann. Rep. Dep. Geol. 



Nat. Res. Indiana, 1908, p. 827, pi. 32, figs. 13, 13b. 

 Maysville and Richmond: Cincinnati, Ohio, and vicinity; Stony Mountain, 



Manitoba; Anticosti. 



Dicranopora fragilis (Billings). 



Ptilodictya fragilis Billings, Catal. Sil. Foss. Anticosti, 1866, p. 9. 



Stictopora fragilis Whitfield, Geol. Surv. Wisconsin, 4, 1882, p. 253, pi. 11, fig. 24. 



