PLATE 106. 



Orosph^rida. 



Diam. Page 



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



The entire shell. 



Fig. 2. Orosphcera horrida, n. sp., . . . x 50 1596 



The entire shell. 



Fig. 3. Orosphcera arborescens, n. sp. (vel Or othamnus arborescens), x 50 1597 



The entire shell. 



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



The entire shell. 



(Compare PI. 12, rig. 1.) 



