74 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Arthrostylus tenuis — Continued. 



Trenton (Upper) and Eden: Cincinnati, Ohio, and vicinity; Indiana and Ken- 

 tucky; New York (Indian Ladder). 

 Plesioty pes— Cat. No. 43637, U.S.N.M. 



ASAPHELLUS Callaway. Genotype: Asaphus homfraj-T Salter. 



Asaphellus Callaway, Quart. Jour. Geol. Soc. London, 33, 1877, p. 663.— Zittel, 



Handb. Pal., 2, 1885, p. 609.— Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, 



p. 37; Zittel-Eastman Textb. Pal., 1913, p. 719.— Grabau and Rliimer, N. A. 



Index Fossils, 2, 1910, p. 290. 



Asaphellus gyracanthus Raymond. 



Asaphus canalis? Cleland, Bull. Amer. Pal., 3, 1900, p. 128, pi. 16, figs. 7, 8; 4, 



1903, p. 38. 

 Isotelus canalis Weller, Pal. New Jersey, 3, 1902, p. 132, pi. 5, figs. 5, 6. 

 Asaphellus gyracanthus Raymond, Ann. Carnegie Mus., 7, No. 1, 1910, p. 39, pi. 



14, figs. 5-7. 

 Canadian (Beekmantown): Fort Himter, New York (Tribes Hill), and Columbia, 



New Jersey. 



Asaphellus homfiayi (Salter). 



Asaphus Ilomfrayi Salter, App. Ramsay Geol. N. Wales; Mem. Geol. Surv., 3, 



1866, p. 311, pi. 8, figs. 11-14; Mem. Geol. Surv. Great Britain, 3, 1881, 2d ed., 



p. 506, pi. 8, figs. 11-14. 

 Asaphus (Isotelus) Ilomfrayi Salter, Mon. British Tril., Pal. Soc, 1866, p. 165, 



pi. 24, figs. 6-12; Cat. Camb. and SJl. Foss., 1873, p. 17. 

 Asaphus (Asaphellus) Homfrayi Callaway, Quart. Joiu". Geol. Soc. London, 33, 



1877, p. 663, pi. 24, fig. 1. 

 Asaphellus Homfrayi var. Matthew, Bull. Nat. Hist. Soc. New Brunswick, 20, 



1902, p. 413, pi. 18, figs. lOa-e; Rep. Cambrian Rocks Cape Breton, Geol. 



Surv. Canada, 1903, p. 232, pi. 18, figs. lOa-e. 

 Asaphellus Homfrayi, var. macropyga Grabau and Shimer, N. A. Index Fossils, 



2, 1910, p. 290, fig. 1598. 

 I^ower Ordovician: Europe; McLeod Brook, near Boisdale, Cape Breton, Nova 



Scotia (Bretonian— Div. C 3c2). 



AsAPHELLU.s PLANU.S Mattlicws. See Hemigyraspis plana. 



ASAPHOCRINUS Springer. Genotype: A. bassleri Springer. 



Asaphocrinus Springer, Mon. Crin. Flex., Smiths. Inst, (in press). 



Asaphocrinus hassleri Springer. 



Asaphocrinus bassleri Springer, Mon. Crin. Flex., Smiths. Inst, (in press). 

 Niagariin (Brownsport): Decatur County, Tennessee, 



Asaphocrinus Incisus (Ringueberg). 



Lecanocrinus incisus Ringueberg, Bull. Buffalo Soc. Nat. Hist., 5, No. 1, 1886, p. 



10, pi. 1, fig. 6. 

 Asaphocrinus incisus Springer, Mon. Crin. Flex., Smiths. Inst, (in press). 

 Clinton (Rochester): Lockport, New York. 



Asaphocrinus ornatus (Hall). 



Cyathocrinus? Hall, Nat. Hist. New York, Geol. 4th Dist., 2, 1843, p. 201, pi. 44, 



figs. 2a-m. 

 Lecanocrinus ornatus Hall, Pal. New York, 2, 1852, p. 201, pi. 44, figs. 2a-m. 

 Asaphocrinus ornatus Springer, Mon. Crin. Flex., Smiths. Inst, (in press). 

 Lecanocrinus nitidus Ringueberg, Bull. Buffalo Soc. Nat. Hist., 5, No. 1, 1886, 



p. 9, pi. 1, fig. 5. 

 Lecanocrinus excavatus Ringueberg, Bull. Buffalo Soc. Nat. Hist., 5, No. 1, 



1886, p. 11, pi. 1, fig. 7. 

 Clinton (Rochester): Lockport, New York. 



