70 Trans. Acad. Sci. of St. Louis. 



1844. Uchinocrinus Munsterianus? M' Coy, Foss. of Ireland, 

 p. 173, pi. 27, ^g. 2. 



1847. Cidaris Milnsteriana. Desor et Agassiz, Cat. Raiss., 

 p. 2b, 



1850. Cidaris Milnsteriana. D'Orbigny, Prodrome, vol. 1, 



p. 154. 

 1858. Eocidaris Miinsterianus. Desor, Syn., p. 156. 

 1862. Eocidaris Munsterianus. Dujardin et Hupe, Echi- 



nodermes, p. 468. 



1869. Lepidocentrus Miinsterianus. De Koninck, Bull. Soc. 

 Roy. Bruxelles, ser. 2, vol. 28, pt. 2, p. 546. 



1870. Lepidocentrus Miinsterianus. De Koninck, Geol. 

 Mag., vol. 7, p. 260. 



1874. Archaeocidaris Milnsteriana. Loven, Kongl. Svens. 



Vetens. Akad. Handl., bd. 11, no. 7, p. 43. 

 1897. Archaeocidaris cf. Miinsterianus. Leyh, Zeitsch. 



Dent. Geol. Gesell., bd. 49, p. 541. 

 1900. Eocidaris Milnsteriana. Hesse, Neu. Jahrb. f . Miner. 

 Geol. u. Pal. beil. bd. 13, p. 213. 

 Primary spines cylindrical and ornamented with a great 

 many denticulated spinules. 



Geological formation and locality : Carboniferous, Ireland 

 and Belgium. 



7. Eocidaris verneuilianus King. 



1844. Cidaris . De Verneuil, Bull. Soc. Geol. France, 



ser. 2, vol. 1, p. 25. 



1845. Cidaris . Murchison, Verneuil, Keyserling, 



Geol. Russ. d'Europe, vol. l,p. 221. 



1848. Cidaris Verneuiliana. King, Catalogue, p. 6, 7. 

 1848. Cidaris Verneuiliana. Howse, Trans. Tyneside Nat. 



Field Club, vol. 1, p. 261. 

 1850. Archaeocidaris Verneuiliana. King, Mon. Perm. 



Foss., p. 53, pi. 6, figs. 22-24. 

 1858. Eocidaris Verneuiliana. Desor, Syn., p. 156, tab. 



21, figs. 13, 14. 

 1862. Eocidaris Verneuiliana. Dujardin et Hupd, Echino- 



dermes, p. 467. 



