PLATE 106. 



Orosph^rida. 



Diam. Page 



Fig. 1. Orosphcera serpentina, n. sp., . . . x 50 1595 



The entire shell. 



Fig. % Orosphcera horrida, n. sp., . . . x 50 1596 



The entire shell. 



Fig. 3. Orosphcera arhorescens, n. sp. (vel Orothamnus arbor escens), x 50 1597 

 The entire shell. 



Fig. 4. Oroscena gegenbauri, n. sp., . . . x 50 1597 



The entire shell. 



(Compare PI. 12, fig. 1.) 



