96 MESOZOIC ECHINODEKMATA OF THE UNITED STATES. [bull. 97, 



i'a-e. 



Oatopygiis oviformis Conrad, 1847 64 



oviforrais Clark=Catopygus oviformis Conrad 64 



pusilliis Clark 65 



Cidaris sp. Morton, 1829=Cidaris splendens Morton 33 



armiger Gabb, 1859= Cidaris splendens Morton 33 



armiger Clark =Cidaris splendens Morton 33 



californicus Clark 36 



clavigera Credner, 1870=Pseudodiadema diatretum (Morton) 46 



diatretum Morton, 1833=Pseudodiadeina diatretum (Morton) 46 



diatretum Broun, 1848=Pseudodiadema diatretum (Morton) 46 



diatretum Gabb, 1859=Pseudodiadema diatretum (Morton) 46 



diatretum Giebel, 1853 = Salenia texana Credner 40 



hemigrauosus Shumard, 1860=Leiocidaris hemigranosus 



(Sbumard) 38 



hemigranosus Meek, 1864=Leiocidaris hemigrauosus (Shum- 

 ard) 38 



hemigranosus White, 1883=Leiocidaris hemigranosus (Shum- 

 ard) 38 



nahalakensis de Loriol, 1887 93 



nahalakensis Clark =^ Cidaris nahalakensis de Loriol 93 



sceptrifera Credner, 1870=Pseudodiadema diatretum Mor- 

 ton 46 



splendens Morton 33 



splendens Clark=Cidaris splendens Mortou 33 



splendens Gabb, 1859=Cidaris splendens Morton 33 



taylorensis Clark 35 



texanus Clark, 1891 36 



Waleotti Clark, 1891 37 



Cidarites armiger Morton, 1842=Cidaris splendens Morton 33 



diatretum Morton, 1834=Pseudodiadema diatretum (Mortou) 46 



splendens Morton, 1841=Cidaris sj)lendens Morton 33 



Clypeaster sp. Morton, 1829=Cassidulus liorealis (Morton) 66 



geometricus Morton, 1833=Pygurus ( ?) geometricus (Morton) 92 



geometricus Morton, 1834=Pygurus ( *?) geometricus (Morton) 92 



geometricus Broun, 1848=Pygurus ( ?) geometricus (Morton) 92 



geometricus Gabb, 1859=Pygurus (?) geometricus (Mortou) 92 



florealis Morton, 1833=Cassidulus florealis (Mortou) 66 



florealis Morton, 1834=Cassidulus florealis (Morton) 66 



florealis Broun, 1848=Cassidulus florealis (Morton) 66 



florealis Gabb, 1859=Cassidulus florealis (Morton) 66 



Coptosoma Mortoni (de Loriol) 51 



speciosum Clark, 1891 52 



Cyphosoma Mortoni de Loriol, 1887= Coptosoma Mortoni (de 



Loriol) 51 



speciosum Clark, 1891= Coptosoma speciosum Clark 62 



