PLATE 49. 



Fig. 



1. 



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2 



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3. 



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4. 



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5 



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6 



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7. 



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8 



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9 



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10 



Fig. 



11 



Fig. 12. 

 Fig. 13. 



LlTHELXDA, STREBLONIDA, PHORTICIDA et SOREUMIDA. 



Spirema melonia, n. sp., 



Lithelius Solaris, n. sp. (the first central convolutions only), 



Larcospira quadrangula, n. sp., 



Pylospira octopyle, n. sp., 



Tholospira cervicornis, n. sp., 



Tholospira dendrophora, n. sp., 



Spironium octonium, n. sp., . 



Streblacantha siderolina, n. sp., 

 Fig. 8a. Outlines of the chambers, 



Streblopyle helicina, n. sp., . 



Phorticium pylonium, n. sp. , 



Spongophortis larnacilla, n. sp., 



Fig. 11a. The upper half of the, cortical shell is removed. 

 Figs. 115 to 11 d. The enclosed medullary Larnacitta-sholl. b, Dorsal 



view ; c, lateral view ; d, basal view. 



Soreuma irregular e, n. sp., . 

 Sorolarcus larnacillifer, n. sp., 





Diam. 



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 715 



