GEOLOGICAL AND GEOGRAPHICAL DISTRIBUTION. 14 



Nucleoblastidse. 



*Schizoblastu8 Bailii, E. % C. 

 *Schizoolaatua Rofei, E. % C. 

 Vcentrotremitea ellipticos, Cumberland, sp. 



Gtanatoblastidae 



*Granatocrinua campamilatus, McCoy, sp. 

 *Grauatocrinus Dcrbicnsis, Sower by, sp. 

 *Granatocrinua cllipticus, Sowerby, sp. 

 *Granatoerinus McCoyij E. § C. 

 *Granatocrinus orbicularis, Sowerby, sp. 

 *Heteroblastus Cumberland!, E. If C. 



Codasteridffi. 



*Codastev trilobatus, McCoy. 

 *Codastcr trilobatus, var. acutus, McCoy, var. 

 ^Phaenoschisma acutum, Sowerby, sp. 

 *Pbaenoschisma Bennici, E. § C. 

 *Orophocrinus pentangularis, Miller, sp. 

 *Oropbocriiius pradongus, Baity. 

 *Orophoerinus verus', Cumberland, sp. 



Astrocrinidge. 



*Astroerimis Benniei, Etheridye,jun. 

 *Astrocriuus tetragouus, T. §■ T. Austin. 

 *Pentepliyllurn Adarense, Hauyhton. 



Genus undetermined ; country and horizon doubtful : — 

 [Pentremites] globosa, Say. 



BELGIUM. 



Pentremitidse. 



*Mesoblastus crenulatus, Roemer, sp. 



Codasteridse. 



*Phaenoschisma caryophyllatum, de Koninck, sp. 

 *Oropliocrinus Orbignyanus, de Koninck, sp. 

 *Orophocrinus pcntaogularis 2 , Miller, sp. 

 *Oroplioeriuus Puzos, Minister, sp. 



1 Identical -with Pentatrematites inflate, G. B. Sowerby. 

 - Identical -with Pentremites Wdterhmetanvs, de Koninck. 



