rjDLlOGRAPHIC LIST OF GENEEA AND SPECIES. 439 



Dlmerocriniis br.ichiatiis (Hall). 



Glyptaster brachiatus Uall, Pal. New York, 2, 1852, p. 187, pi. 41, figs. 4a, b. 

 Thysanocrinus brachiatus Wachsmuth and Springer, Mem. Mus. Comp. Zool. 



Harvard, 20, 1897, p. 195, pi. 18, fig. 7. 

 Clinton (Rochester): Lockport, New York. 



Dimerocrinus campanulatus (Slocom). 



Thysanocrinus campanulatus Slocom, Field Columbian Mus., Geol., ed. ser., 10, 



1908, p. 299, pi. 85, figs. 20, 23. 

 Niagaran (Racine) : Drainage Canal, near Lemont, Illinois. 



Dimerocrinus canaliculatus (Hall). 



Thysanocrinus canaliculatus Hall, Pal. New York, 2, 1852, p. 189, pi. 42, figs. 



2a-d. 

 Rhodocrinus (Thysanocrinus) canaliculatus Shumard, Trana. Acad. Sci. St. 



Louis, 2, 1866, p. 398. 

 Clinton (Rochester): Lockport, New York. 



Dimerocriuus egani (Miller). 



Glyptaster egani ]\Iiller, Jour. Cincinnati Soc. Nat. Hist., 4, 1881, p. 201, pi. 6, 



figs. 4, 4a, 4b; N. A. Geol. Pal., 1889, p. 247, fig. 311. 

 Thysanocrinus egani Weller, Bull. Chicago Acad. Sci., 4, 1900, p. 74, pi. 1, fig. 5. 

 Niagaran (Racine): Bridgeport, Illinois. 



Dimerocriuus lialli (Lyon). 



Rhodocrinus Halli I^yon, Proc. Acad. Nat. Sci. Pliiladelphia, 1861, p. 412, pi. 4, 



fig. 5a, b. 

 Thysanocrinus Halli Wachsmuth and Springer, Mem. Mus. Comp. Zool., Harvard, 



20, 1897, p. 196, pi. 13, fig. 9a, b. 

 Niagaran (Louisville): Near Louisville, Kentucky. 



Dimerocrinus immaturus Wachsmuth and Springer. See Gazacrinus immaturus. 



Dimerocrinus inornatus (Hall). 



Glyptaster inornatus Hall, Trans. Albany Inst., 4, 1863, p. 205; 24th Rep. New 

 York State Cab. Nat. Hist., 1872, p. 207, fig. 3; 28tli Rep. New York State 

 Mus. Nat. Hist., doc. ed., 1877, pi. 14, figs. 1-6; Mus. ed., 1879, p. 134, pi. 14, 

 figs. 1-6; 11th Ann. Rep. Indiana Dep. Geol. Nat. Hist., 1882, p. 261, fig. 3; 

 also p. 263, pi. 13, figs. 1-6. 



Thysanocrinus inornatus Wachsmuth and Springer, Mem. Mus. Comp. Zool. Har- 

 vard, 20, 1897, p. 193, pi. 18, figs. 6a-d; pi. 19, fig. 5.— Grabau and Shimcr, 

 N. A. Index Fossils, 11, 1910, p. 547. 



Niagaran: Waldron and Hartsville, Indiana; Newson, Tennessee (Waldron); 

 ?Racine, Wisconsin (Racine). 



Dimerocrinus liliiformis (Hall). 



Thysanocrinus liliiformis Uall, Pal. New York, 2, 1852, p. 188, pi. 42, figs, la-f.— 

 Grabau, Bull. New York State Mus., 45, 1901, p. 156, fig. 50; Bull. Buffalo 

 Soc. Nat. Sci., 7, 1901, p. 156, fig. 50.— Wachsmuth and Springer, Mem. Mus. 

 Comp. Zool., Harvard, 20, 1897, p. 199, pi. 18, fig. 4. 



Rhodocrinus (Thysanocrinus) liliiformis Shumard, Trans. Acad. Sci. St. Louia 

 (Cat., Pal. Foss.) 2, 1866, p. 398. 



Dimerocrinus liliiformis Wachsmuth and Springer, Proc. Acad. Nat. Sci. Phila- 

 delphia, 1881, p. 373. (Rev. Pal., pt. 2, p. 199.) 



Clinton (Rochester): Lockport, New York. 



