8O NEW YORK STATE MUSEUM 



STENASTER Billings 

 Stenaster salteri Billings 



474 ---r- PLASTOTYPE Stenaster s a It e ri Billings. Canadian 



organic remains. 1858. Decade 3, p. 78, pi. jo, fig. ia, ib. 

 Trenton limestone Belleville Ont. 



THYLACOCRINUS Ochlert 



Thylacocrinus clarkei Wachsmuth & Springer 



475 ~i TYPE Thylacocrinus clarkei Wachsmuth & 



Springer. North American Crinoidea Camerata. 1897. 

 1:248, pi. 13, fig. i ia, b. (Museum of comparative zoology 

 memoir. 1897. v. 20) 



Hamilton shales Canandaigua lake N. Y. 



Clarke collection purchased 



Trematocrinus spinigerus see Gilbertsocrinus 

 spinigerus. 



VERMES 



ARABELLITES Hinde 



Arabellites (sp.) 



47 6 5.Y HYPOTYPE Arabellites sp. Clarke. 6th annual 



report of the New York state geologist. 1887. p. 30, 

 pi. Ai, fig. 23. 



Hamilton beds Canandaigua N. Y. 



J. M. Clarke purchase 



477 ^P- HYPOTYPE Clarke. 6th annual report of the New York 



state geologist. 1887. pi. Ai, fig. 24. 



Marcellus shale Canandaigua N. Y. 



J. M. Clarke purchase 



478 s^fi- HYPOTYPE Clarke. 6th annual report of the New York 



state geologist. 1887. pi. Ai, fig. 25. 



Hamilton beds Canandaigua N. Y. 



J. M. Clarke purchase 



479 "^^ HYPOTYPE Clarke. 6th annual report of the New York 



state geologist. 1887. pi. Ai, fig. 26. 



Hamilton beds Canandaigua N. Y. 



J. M. Clarke purchase 



480 HYPOTYPE Clarke. 6th annual report of the New York 



state geologist. 1887. pi. Ai, fig. 27. 



Hamilton beds Canandaigua N. Y. 



J. M. Clarke purchase 

 Aulopora ? Cornulites see Cornulites modestus 



