NO. 3 CASSIDULOID ECHINOIDS — KIER 249 



Page 

 Archiacia sandalina Agassiz 154 



4, 5, 6, Adapical, right side, adoral view of specimen in Museum 

 National d'Histoire Naturelle, Paris, from the Cretaceous (Ceno- 

 manian) at Port des Barques (Charente Inferieure), France, X li- 

 Archiacia palmata Gauthier 1 53 



7, 8, Adapical, right side of holotype in Museum National d'His- 

 toire Naturelle, Paris, from the Cretaceous (Cenomanian) at Djebel 

 Taferma, Tunisia, X li- 



9, Floscelle of same specimen, X 5- 



Plate 23 



Claviaster cornuhis (Agassiz) 225 



1, Side view of holotype in Museum National d'Histoire Naturelle, 

 Paris, from the Cretaceous of Sinai, Egypt. X li- 



Claviaster libycus Gauthier 225 



2, Side view of holotype in Museum National d'Histoire Naturelle, 

 Paris, from the Cretaceous (Cenomanian) at Foum el Guelta, Tunisia, 



X2i 



Gentilia tafileltensis ? Lambert 156 



3, 4, Adapical, adoral view of specimen in Lambert Collection, 

 Sorbonne, Paris, probably from the Cretaceous (Cenomanian), at Riz 

 el Abiod, X |. 



Gentilia syi-ievsis Kier, new species 156 



5, 6, Adapical, adoral view of holotype in Museum National d'His- 

 toire Naturelle, Paris, from the Cretaceous (Cenomanian) of Syric, 



Xii 



7, 8, 9, 10, Adapical, adoral, rear, right side of specimen from same 

 locality as holotype, X ij. 



II, Floscelle of same specimen, X S. 



Plate 24 



Rhynchopygus marmini (Agassiz) 160 



I, 2, 4, Adapical, right side, adoral view of specimen in the Lambert 

 Collection, Sorbonne, Paris, from the Upper Cretaceous (Maestrich- 

 tian) at Frcsville, France, X li- 

 3, Floscelle of same specimen, X 5- 

 Rhynchopygus lapiscancri (Leske) 163 



5, 7, 8, Adapical, adoral, right side of U.S.N.M. 131260 from the 

 Upper Cretaceous (Maestrichtian) at Bceringen (Charb.), Belgium, 



6, Floscelle of same specimen, X 3- 



Nucleopygtis similis (d'Orbigny) 165 



9, Adapical view of specimen in ficole National Superieure des Mines, 

 Paris, from the Cretaceous (Cenomanian) in the Gres Vert, at Le Mans, 

 France, X 2^. 



Nucleopygus minor Desor 165 



10, II, Adapical, adoral view of specimen in the Lambert Collection, 

 Sorbonne, Paris, from the Upper Cretaceous (Senonian) at Meschers, 

 France, X 2^. 



