73O NEW YORK STATE MUSEUM 



Nuttania c o n c e n t r i c a j^- Trinucleus concen- 

 tricus 



Nuttania sparsa see Homalonotus (Dipleura) 

 dekayi 



OCTONARIA Jones 



Octonaria linnarssoni Jones 



4593 13 i 80 TYPE Octonaria linnarssoni Jones. Quarterly 



journal of the geological society of London. 1890. 46:541, 

 pi. 20, fig. ya, yb. 



Hamilton beds Clark county, Ind. 



J. M. Clarke purchase 



OLENELLUS Hall 



Olenellus asaphoides see Olenellus (Mesonacis) 

 asaphoides 



Olenellus (Mesonacis) asaphoides Emmons (sp.) 



4594 13 ?- a HYPOTYPE Elliptocephala asaphoides Emmons. 



Taconic system. 1844. p. 21. 



Olenellus asaphoides Ford. American journal 

 of science and arts, ser. 3. 1877. v. 13, pi. 4, fig. la, ib. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4595 13 i op HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 2a, 2b. 



Walcott. United States geological survey bulletin 30. 

 1886. . pi. 20, fig. 3. 



Walcott. loth annual report of the director of the 

 United States geological survey. 1830. pi. 86, fig. 3. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4596 -iJJ> HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 33, 3b. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4597 ^ if ft ^ HYPOTYPE Ford. American journal of science and arts, 



ser. 3. 1877. v. 13, pi. 4, fig. 4*, 4b. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



