730 NEW YORK STATE MUSEUM 



♦ 



Nuttania concentrica see Trinucleus concen- 

 tricus . 



Nuttania sparsa see Homalonotus (Dipleura) 

 dekayi 



octonaria Jones 



Octonaria linnarssoni Jones 

 4^93 i_3_p_o type Octonaria linnarssoni Jones. Quarterly- 

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

 pi. 20, fig. 7a, 7b. 



Hamilton beds Clark county, Ind. 



J. M. Clarke purchase 



OLENELLUS Hall 



Olenellus asaphoides see Olenellus (Mesonacis) 







asaphoides 

 Olenellus (Mesonacis) asaphoides Emmons (sp.) 

 4 ^ 4 is_aoo 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. ia, ib. 



Lower Cambric Troy N. Y. 



S. W. Ford purchase 

 4 t^5 13800 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. 10th annual report of the director of the 

 United States geological survey. 1890. pi. 86, fig. 3. 

 Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4 ro6 .i3|J>& hypotype Ford. American journal of science and arts, 



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



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



4 t-Q7 i5-|oo hypotype Ford. American journal of science and arts, 



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



Lower Cambric Troy N. Y. 



S. W. Ford purchase 



