Plate 15. 



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Fig. 1. Xorlosaria rertebralis, var. albatrossi. X25. Side view. D2.377. 



2. y<>doi<aria semiuuda. X2,5. a, side view; b, apertural view. After 



Goe.s. 



3. Nodosaria proxima. X50. Side view. D2262. 



4. Nodusariaraphanistrnm, var. obsoleta. X8. Side view. After Goes. 



5. Nodosaria striolata. o, side view; b, apertural view. After Goes. 



6. Nodosaria raphaniis. X2.5. Side view. After Balkwill and Wright. 



