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



Plate 25. 



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



a. Longhudinal Section. 



Fig. 2. HORMOSINA OVICULA Brady, see Page 2S0. 



FIG. 3. TROCHAMMINA PROTEUS KARRER. See Page 281. 



