330 



FOSSIL VERTEBRATA OF NORTH AMERICA. 



3ULL. 179. 



Newberry, J. S. 1889 A, p. 206, pi. xxv, fig. (i. ( A. 



occidentalis. ) 

 Newberry and Worthen 1866 A, p 116, pi. xii, lig. 



2. ( Leptacanthus ? occidentalis. ) 

 St. John and Worthen 1875 A, p. 435. (A. occi- 

 dentalis.) 



1883 A, p. 238, pi. xxiv, fig. 1. (Ctenaean- 



thus.) 



Woodward, A. S. 1891 A, p. 109. (A. occidentalis. ) 

 Subcarboniferous (St. Louis); Missouri, Illi- 

 nois, Michigan. 



Acondylacanthus? mudgianus St. .1. 



and Worth. 

 St. John and Worthen, 1883 A, p. 244, pi. xxiv. 



Woodward, A. S. 1891 A, p. 110. 

 Coal-measures; Kansas. 



Acondylacanthus nuperus St. J. and 



Worth. 



St. John and Worthen 1883 A, p. 242, pi. xxvi, fig. 3. 

 Woodward, A. S. 1891 A, p. 110. 

 Coal-mi-HSiires; Illinois. 



Acondylacanthus rectus St. J. and 



Worth. 



St. John and Win-then 1883 A, p. 241, pi. xxvi, fig. 2 

 Woodward, A. S. 1891 A, p. 109. 

 Coal-measures; Illinois. 



ASTEROPTYCHIUS McCoy. Type A. ornatus McCoy. 



McCoy, F. 1848 A, p. 118. 



Agassiz, L. 1843 B, iii. p. 170. (Name only). 



1844 A. 



McCoy, F. 1855 A, p. 615. 

 Miller, S. A. 1889 A, p. 588. 

 Newberry, J. S. 1889 A, p. 186. 

 Woodward, A. S. 1891 A, p. 110. 

 Zittel, K. A. 1890 A, p. 117. 



Asteroptychius bellulus St. J. and 



Worth. 



St. John and Worthen 1875 A, p. 439, pi. xvi, fig. 7. 

 Woodward, A. S. 189! A, p. 111. 

 Coal-measures: Illinois, Iowa. 



Asteroptychius elegans Xewb. 

 Neivberry, J. S. 1889 A, p. 176, pi. xxv, fig. 4. 

 Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (Waverly); Michigan. 



Asteroptychius gracilis Newb. 



Newberry, J. S. 1897 A, p. 293. 



Subcarboniferons (St. Louis); Illinois. 



Asteroptychius keokuk St. J. and 



Worth. 



St. John and Worthen 1875 A, p. 436, pi. xvi, fig. 2. 

 Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (Keokuk); Illinois. 



Asteroptychius sancti-ludovici St. J. 

 and Worth. 



Keyes, C. R. 1894 A, p. 23C. 

 Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (St. Louis); Illinois, Mis- 

 souri. 



Asteroptychius tenellus St. J. and 

 Worth. 



St. John and Worthen 1883 A, p. 248, pi. xxi, fig. 4. 

 Woodward, A. S. 1891 A, p. 111. 

 Coal-measures: Kansas. 



Asteroptychius ? tenuis St. J. and 

 Worth. 



St. John and Worthen 1875 A, p. 438, pi. xvi, 



figs. 5, 6. 

 Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (Chester); Illinois. 



Asteroptychius triangularis Newb. 

 and Worth. 



Newberry and Worthen 1870 A, p. 370, pi. ii, fig. 4. 

 I Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (Burlington i : Iowa. 



Asteroptychius vetustus St. J. and 

 Worth. 



St. John and Worthen 1875 A, p. 435, pi. xvi, fig. 1. 

 Woodward, A. S. 1891 A, p. 111. 



Subcarboniferous (Kinderhook); Iowa. 



St. John and Worthen 1875 A, p. 437, pi. xvi, figs. 

 3,4. 



COSMACANTHUS Agassiz. Type C. malcolmsoni Agassiz. 



Agassis, L. 1844 B, p. 120. 



Miller, S. A. 1889 A, p. 598. (Gisacanthus.) 



Pictet, F. J. 1854 A, p. 287. 



St. John and Worthen 1875 A, p. 440. (Geisacan- 



thus, type G. stettatus.) 

 Woodward, A. S. 1891 A, p. 111. 

 Woodward and Sherborn 1890 A, p. 47. 

 Zittel, K. A. 1890 A, p. 117. 



Cosmacanthus bullatus (St. J. and 

 Worth.). 



St. John and Worthen 1875 A, p. 441, pi. xvii, figs. 

 3, 4. (Geisacanthus.) 



Woodward, A. S. 1891 A, p. 112. 



Subcarboniferous (Chester); Illinois. 



Cosmacanthus stellatus (St. J. and 



Worth.). 

 St. John and Worthen 1875 A, p. 440, pi. xxi, fig. 



10. (Geisacanthus.) 



Keyes, C. R. 1894 A, p. 236. (Geisacanthus.) 

 Woodward, A. S. 1891 A, p. 113. 



Subcarboniferous (St. Louis); Missouri. 



