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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I44 



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137 



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139 



138 



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142 



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143 



Figs. 137-143. — 137, Rhynchopygus marmini (Agassiz) : Floscelle of specimen in Lambert Collec- 

 tion, Sorbonne, Paris, from the Upper Cretaceous (Maestrichtian) at Fresville, France, X 6. 138, 

 Nucleopygus minimus (d'Orbigny) : Phyllode of ambulacrum V of specimen in Lambert Collection, 

 Sorbonne, Paris, from the Upper Cretaceous (Senonianl at St. Paterne, France, X 15- 139, Nucleo- 

 pygus paralleius (Agassiz) : Phyllode of ambulacrum V of USNM 131283, from the Upper Creta- 

 ceous (Turonian) at Bousse, France, X i5- 140, Nucleopygus minor Desor: Phyllode of ambulacrum 

 V of specimen 2523 in the Museum of Comparative Zoology, Harvard, from the Upper Cretaceous 

 (Senonian) at Royan, France, X iS- 141, Nucleopygus angustatus (Clark): Phyllode of ambulacrum 

 II of holotype, USNM 103701, from the Cretaceous (Cenomanian), Buda limestone. Shoal Creek, 

 Austin, Tex., X iS. 142, Nucleopygus scrobiculatus (Goldfuss) : Phyllode III of USNM 131278, from 

 the Upper Cretaceous (Maestrichtian) from top of quarry of Kalkmergelmaatschappij, St. Pieters- 

 berg, Belgium, X iS- 143. Hypsopygaster ungosensis Bajarunas: Phj'llode of ambulacrum V, from 

 specimen in Geologic Museum of RAN, Russia, from the Danian, at Ungozya, Mangyshlak, Russia, 

 XiS. 



