1895.] NATUBAL SCIENCES OF PHILADELPHIA. 87 



Fig. 11. PL (Borsonia) plenta nov. sp. by Aid. & Har. 



Fig. 11a Apex of a very young and perfect specimen. 



Fig. 12. PL (Eucheilodan ) ret 'iru/atoides nov. sp. 



Fig. 13. PL ( Tanni is) jiiicru nov. sp. 



Fig. 14. PL (Clathurella?) fannce nov. sp. 



Fig. 15. PL { Bela) rebeccce nov. sp. 



Plate 6. 



( 'ancellaria panones nov. sp. 



Can. panones, var. smithvillensis nov. var. 



Can. panones, var. junipera nov. var. 



Cancellaria penrosei nov. sp. 



Cancellaria bustropensis nov. sp. 



Cancellaria ulmula nov. sp. 



Volvaria gabbiana Aid. MS. 



Volutilithes dalli uov. sp. 

 8a A smoother variety. 

 9. Caricella demism, var. texana Gabb. 



Caricella subangulata, var. cherokeensis nov. var. 

 Fig. 11. Turricula texana nov. sp. 

 Fig. 12. Levifusus trabeatoides nov. sp. 

 Fig. 12a Apex of the same magnified. 

 Fig. 13. Latirus singleyi nov. sp. 

 Fig. 13a Small variety of the same. 



Plate 7. 



Strepsidura ficus Gabb. 



Fusus bastropensis nov. sp. 



Fusus ostranipis nov. sp. 



Fusus mortoni, var. mortoniopsis Gabb. 



Fusus motion i, var. rarer us nov. var. 

 6. Clavilithes regexus nov. sp. 



Clavilithes humerosus, var. texanus nov. var. 

 8. Clavilithes kennedyanus nov. sp. 

 Fig. 9. Chrysodomus parbrazana nov. sp. 



