66 Trans. Acad. Sci. of St. Louis. 



17. Archaeocidaris Julien. 



1896. a. Radioles a 4 rangees aVepines. Julien, Le Terr. 



Carb. Marin de la France Centrale, p. 126, pi. 16, 



figs. 14, 17. 

 Geological formation and locality: Carboniferous, l'Ar- 

 doisiere, France. 



18. Archaeocidaris Julien. 



1896. b. Radioles a. 6 rangees d'epines. Julien, Le Terr. 

 Carb. de la France Centrale, p. 126, pi. 16, figs. 13, 

 15, 16;pl. 17, fig. 9. 

 Geological formation and locality: Carboniferous, l'Ar- 

 doisiere, France. 



19. Archaeocidaris ? Meek and Hay den. 



1859. Archaeocidaris ? Meek and Hayden,Proc. Acad. 



Nat. Sci. Phil., p. 25. 

 Geological formation and locality: Upper Coal Measures, 

 Cottonwood Creek, Kansas. 



20. Archaeocidaris ? Meek and Havden. 



1859. Archaeocidaris ? Meek and Hayden, Proc. Acad. 



Nat. Sci. Phil., p. 25. 

 Geological formation and locality: Upper Coal Measures, 

 Cottonwood Creek and Manhattan, Kansas. 



21. Archaeocidaris sp. Stacke. 



1877. Archaeocidaris sp. Stacke, Jahrb. K. K. Geol. Reichs- 

 anstalt Wien, bd. 27, p. 318, taf. 1, figs. 13-17. 

 Geological formation and locality: Bellerophonkalk, 

 Siidtirol. 



