32 Bulletin 27 152 



Explanation of 



Plate 3 (a6) 



Fig. 1, Aligena • pustulosa choptankensis, n. var., 25 (145) 



Specimen enlarged 3 times. 



2. Lithophaga pectinicola, n. sp., 26 (148,) 



Left valve of type, enlarged about 3 times. 



3. Teinostoma thompsoni, n. sp., 21 (141) 



Upper view, enlarged 12 times. 



4. Teinostoma thompsoni, n. sp., 21 (141) 



Lower view of same specimen. 



5. Pseudorotella bushi, n. sp., 22 (142) 



Lower view of a specimen considerably enlarged. 



6. Pseudorotella bushi, n. sp. , 22 (142) 



Upper view of a specimen. 



7. Triphoris bartschi n. sp., 17 (137) 



Type specimen, enlarged 6 times. 



8. Triphoris duplinianus, n. sp., [S (138) 



Specimen enlarged about 6 l / 2 times. 



9. Cyclostremella magnoliana, n. sp., 24 (144) 



Basal view, enlarged about 15 times. 



10. Cyclostremella magnoliaua, n. sp., 24 (144> 



Upper view of same specimens. 



11. Ethalia alexanderi, n. sp., 22 (142) 



Upper view, enlarged 10 times. 

 [2. Ethalia alexanderi, n. sp., 22 (142) 



Ventral view, enlarged 10 times. 



13. Ethalia alexanderi, n. sp., 22 (142) 



Basal view. 



14. Teinostoma miocenicum, n. sp., 21 (14!) 



Upper view, enlarged 9 times. 



15. Teinostoma miocenicum, n. sp., 21 (14)) 



Basal view. 



16. Cir cuius schmidti, n. sp. , 18 (138) 



Upper view of type, enlarged 12 times. 



17. Molleria smithfieldensis, n. sp., 24 (144) 



Basal view showing spirals, enlarged 23 times. 



18. Molleria harrisi , n. sp. , 23 (143) 



Ventral view, enlarged 20 times. 



19. Molleria harrisi, n. sp., 23 (143) 



Basal view showing the spirals and radial lines, 22 times. 



