PLATE LXVIII 



PAGE 



Figs. 1-4. CYCLONEMINA CRENULISTRIATA n. sp 671 



1. Dorsal view. 



2. Portion of the surface of a shell enlarged. X 3. 



3. Dorsal view of individual showing great thickness of the shell. 



4. Dorsal view showing aperture. Type. 



Jennings formation, Chemung member, Town Creek, 2228. 



Fig. 5. CYCLONEMINA CKENUXJSTRIATA VAR. OBSOLESCENS n. var 672 



Shell preserving portion of test, showing ornamentation. Jennings 

 formation, Chemung member, Town Creek, 2228. 



Figs. 6-10. CYCLONEMINA MITLTISTRIATA n. sp 672 



6. Dorsal view of type. Sideling Hill Creek, 2~y 2 miles above mouth, 



1700. 



7. Enlargement of a portion of the surface showing ornamentation. 



X 5. Same locality. 



8. Dorsal view of a shell of slightly different proportions. Same 



locality. 



9. Cast of interior. Same locality. 



10. Internal cast of a very large shell. Williams Road, Polish Mountain, 

 1600. 



Jennings formation, Parkhead member. 



Figs. 11, 12. TURBO CORONOLA n. sp 673 



11. Profile from a replica. The original cast of this is somewhat 



imperfect or distorted about the lower edge of the aperture. 



12. A part of the exterior drawn from a gutta-percha squeeze. 



Jennings formation, Chemung member, National Road, 6 miles 

 west of Frostburg. 



Fig. 13. TROCHONEMA (GYRONEMA) LIRATUM (Hall) 674 



Dorsal view. Jennings formation, Chemung member, National Road, 

 east of Hancock, 2223. 



Figs. 14, 15. MACROCHILINA PULCHELLA n. sp 675 



14. Internal cast of the only specimen observed. X 5. 



15. Exterior of the same. X 5. 



Jennings formation. Chemung member, Williams Road, Polish 

 Mountain. 



151 



