Report of U. S, National Museum, 1897.— Flint. 



Plate 25. 



Fig. 1. HORMOSINA CARPENTERI Brady. See Pace 280. 



((. Longitudinal Section. 



Fig. 2. HORMOSINA OVICULA Brady, see Pa&e 280. 



Fig. 3. TROCHAMMINA PROTEUS Karrer. See Paqe 281. 



