PLATE 34. 



Fig. 1. Cross section through radula sac of Lophomenia spiralis. X 57. 



Fig. 2. Longitudinal section through radula and subradular organ of Proneomenia hawaiiensis. 

 X 80. 



Fig. 3. Dorsal view of radula of Limifossor talpoideus. X 135. 



Fig. 4. Two rows of teet h of St rophomenia triangularis. X 330. 



Fig 5. Portion of radula of Alexandroraenia agassizi. X 255. 



Fig. 6. Side view of radula of Limifossor talpoideus. X 135. 



Fig. 7. Teeth of Dorymenia acuta (mid line to left). X 330. 



Fig 8. Teeth of Strophomenia spinosa, large individual. X 555. 



Fig. 9. Same species, small individual. X 330. 



Fig. 10. Same species, small individual. X 330. 



Fig. 11. Side view of teeth of Dorymenia acuta. X 330. 



Fig. 12. Cross section of radula of Halomenia gravida. X 330. 



Fig. 13. Proneomenia hawaiiensis, showing 7 of the 40 teeth of each transverse row; m, mid line. 

 X 255. 



Fig. 14. Tooth of Alexandromenia valida. X 200. 



Fig. 15. Portion of radula of Strophomenia farcimen. X 255. 



