634 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



HOMOCRINUS ANGUSTATUS Meek and Worthen. See Dendrocrinus angustatus. 

 HOMOCRINUS CONSTRICTUS Hall. See Ohiocrinus constrictus. 



Homocrinus cylindricus Hall. 



Homocrintis cylindricus Hall, Pal. New York, 2, 1852, p. 186, pi. 41, figs. 2a-c, 



3a-c. Slocom, Field Columbian Mus., 2, Geol. Ser., 1908, p. 291, pi. 84, 



figs. 14, 15. 

 Niagaran: Lockport, New York (Rochester) ; near Lemont, Illinois (Racine). 



HOMOCRINUS GRACILIS Hall. See Dendrocrinus gracilis. 



HOMOCRINUS LAXUS Hall. See Ohiocrinus laxus. 



HOMOCRINUS NUCLEUS Wachsmuth and Springer. See Botryocrinus nucleus. 



Homocrinus parvus Hall. 



Homocrinus parvus Hall, Pal. New York, 2, 1852, p. 185, pi. 41, figs, la-f . Kirk, 



Proc. U. S. Nat. Mus., 46, 1914, p. 474, pi. 42, figs.1-8. 

 Clinton (Rochester): Lockport, New York. 



HOMOCRINUS POLYDACTYLUS Shumard. See Cupulocrinus polydactylus. 

 HOMOCRINUS POLYXO w achsmuth and Springer. See Botryocrinus polyxo. 

 HOMOCRINUS SCOPARIUS Hall. See Lasiocrinus scoparius. 

 HOMOCYSTIS Carpenter. See Cheirocrinus Eichwald. 

 HOMOCYSTITES Barrande. See Cheirocrinus Eichwald. 



HOMCEOSPIRA Hall and Clarke. Genotype: Rhynchospira evax Hall. 



Homceospira Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 112; 13th Ann. 

 Rep. New York State Geol., 1895, p. 792. Schu chert, Zittel-Eastman Textb. 

 Pal., 1, 1900, p. 337; 2d ed., 1913, p. 414. Grabau, Bull. Buffalo Soc. Nat. 

 Sci., 7, 1901, p. 200; Bull. New York State Mus., 45, 1901, p. 200. Grabau 

 and Shimer, N. A. Index Fossils, 1, 1907, p. -344. 



Homceospira apriniformis Hall. 



Atrypa aprinis Hall (not Verneuil), Pal. New York, 2, 1852, p. 280, pi. 57, 



fig. 7. 

 Rhynchospira? aprinis Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, 



p. 77. 



Rhynchospira apriniformis Hall, Pal. New York, 3, 1859, p. 485. 

 Rhynchonella aprinis Miller, N. A. Geol. Pal., 1889, p. 367. 

 Homoaospira apriniformis Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. Ill, 



pi. 83, figs. 24, 25. Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 200, 



fig. 121; Bull. New York State Mus., 45, 1901, p. 200, fig. 121. 

 Clinton (Rochester): Lockport, New York. 



Homoeospira beecheri Foerste. 



Homceospira beecheri Foerste, Jour. Geol., 11, 1903, p. 709; Bull. Sci. Lab. 



Denison Univ., 14, 1909, p. 90, pi. 1, figs. 8A, B. 

 Niagaran (Brownsport): Brownsport Furnace, Decatur County, Tennessee. 



Homoeospira evax (Hall). 



Rhynchospira evax Hall, Trans. Albany Inst., 4, 1863, p, 213. 



Retzia evax Hall, 28th Rep. New York State Mus. Nat. Hist., 1879, p. 160, pi 



25, figs. 13-21; llth Rep. State Geol. Indiana, 1882, p. 302, pi. 25, figs. 1 



21. Beecher and Clarke, Mem. New York State Mus., 1, 1889, p. 55, pi. 



fig s- 1-9. Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 863, figs.- 



Miller, N. A. Geol. Pal., 1889, p. 366, fig. 604. 



