PLATE XLII. 



Fig. 1. Triforis dolicha, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



The apex, magnified 60 diameters. 



PAGE 



565 



Fig. 2. Triforis rufula, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified GO diameters. 



566 



Fig. 3. Alaba (Diala) albugo, n. sp. 



a. The natural size. 

 6. The shell, enlarged. 



c. The apex, magnified 50 diameters. 



568 



Fig. 4. Alaba (Stiliferina) goniochila, A. Ad. 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 70 diameters. 



569 



Fig. 5. Alaba (Stiliferina) fulva, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



The apex, magnified 70 diameters. 



571 



Fig. 6. Alaba (Stiliferina) striata, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 70 diameters. 



569 



Fig. 7. Alaba (Stiliferina) sulcata, n. sp. 



a. The natural size. 



b. The shell, enlarged. 



c. The apex, magnified 50 diameters. 



570 



