NO. 3 CASSIDULOID ECHINOIDS — KIER 247 



Plate 17 



Page 



Petalobrissus neltneri (Lambert) 122 



1, 3, Adapical, adoral view of holotype in Lambert Collection, Sor- 

 bonne, Paris, from the Cretaceous (Cenomanian) at Msouma, 2^ km. 

 east of J'Adouz, Algeria, X i- 



2, Floscelle of same specimen, X 2^, 



Petalobrissus cubensis (Weisbord) 123 



4, 5, 6, Adapical, right side, adoral view of U.S.N.M. 131265 from 

 the Upper Cretaceous (Senonian) at Rio Seco, Medina County, Tex., 

 Xii 



Eurypctalum jaujasii (Dcsmoulins) 140 



7, Adapical view of specimen in d'Orbigny Collection, Museum Na- 

 tional d'Histoire Naturelle, Paris, from the Upper Cretaceous (Se- 

 nonian), no locaHty, X li. 



8, Right side of specimen in the Museum of Comparative Zoology, 

 Harvard (No. 794), no locality, X ij. 



Faujasia apicalis ( Desor ) 139 



9, Copy of photograph sent by M. Meijcr of specimen in his collection 

 from the Upper Cretaceous (Maestrichtian), Albert Canal, Vroenhoven, 

 Belgium. 



10, II, Right side and adoral view of U.S.N.M. 131272 from same 

 locality, X li 



Plate 18 



Domechinus chelonimn (Cooke) 142 



I, 2, 3, 4, Adapical, rear, left side, adoral view of holotype, U.S.N.M. 

 108377, from the Upper Cretaceous (Maestrichtian) at Indio Ranch, 

 one-half mile from Rio Grande, Maverick County, Tex., X li- 



5, Floscelle of same specimen, X 2^. 



Fauraster prisons Lambert 143 



6, 7, 8, Adapical, right side, adoral view of holotype in Lambert 

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

 tian) at Orrit, Catalonia, Spain. 



Lefortia delgadoi (De Loriol) 136 



9, 10, Adapical, right side of lectotype in Servicos Geologicos de 

 Portugal, Lisbon, from the Upper Cretaceous (Senonian), at Azinhaga 

 de Pinhal de Laura (Mira), Portugal, X li- 



11, 12, Rear, adoral view of paratype from same locality, X li- 



Plate 19 



Pygurostoma morgani Cotteau and Gautliier 135 



I, 2, Adapical and adoral view of specimen in Lambert Collection, 

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

 (Louristan), Persia, X f. 

 3, Floscelle of same specimen, X i^- 



