NO. 2164. REVISION OF ROTATOR! AN GENERA— EARRING. 567 



Fig. 8. Lepadella acuminata, ventral view. 



9. Lepadella cryphaea, ventral view; page 545. 



10. Lepadella cryphaea, dorsal view. 



11. Lepadella cryphaea, lateral view. 



12. Lepadella cryphaea, cross section of body. 



13. Lepadella borealis, ventral view; page 550. 



14. Lepadella borealis, dorsal view. 



15. Lepadella borealis, lateral view. 



16. Lepadella borealis, cross section of body. 



Plate 93. 



Fig. 1. Lepadella benjamini, ventral view; page 548. 



2. Lepadella benjamini, dorsal view. 



3. Lepadella benjamini, lateral view. 



4. Lepadella benjamini, cross section of body. 



5. Lepadella benjamini, corona, lateral \n.ew. 



6. Lepadella benjamini, corona, ventral view. 



7. Lepadella benjamini, trophi, lateral view. 



8. Lepadella benjamini, trophi, ventral view. 



9. Lepadella amphitropis, ventral view; page 543. 



10. Lepadella amphitropis, dorsal view. 



11. Lepadella amphitropis, lateral view. 



12. Lepadella amphitropis, cross section of body. 



13. Lepadella cyrtopus, ventral view; page 549. 



14. Lepadella cyrtopus, dorsal view. 



15. Lepadella cyrtopus, lateral view. 



16. Lepadella cyrtopus, cross section of body. 



Plate 94. 



Fig. 1. Lepadella ehrenbergii, ventral view; page 553. 



2. Lepadella ehrenbergii, dorsal view. 



3. Lepadella ehrenbergii, lateral view. 



4. Lepadella ehrenbergii, cross section of body. 



5. Lepadella pterygoida, ventral view; page 554. 



6. Lepadella pterygoida, dorsal view. 



7. Lepadella pterygoida, lateral view. 



8. Lepadella pterygoida, cross section of body. 



9. Lepadella heterostyla, ventral view; page 552. 



10. Lepadella heterostyla, dorsal view. 



11. Lepadella heterostyla, lateral view. 



12. Lepadella heterostyla, cross section of body. 



13. Lepadella heterostyla, cross section through curved wings. 



Plate 95. 



Fig. 1. Lepadella triptera, ventra. view; page 560. 



2. Lepadella triptera, dorsal view. 



3. Lepadella triptera, lateral view. 



4. Lepadella triptera, cross section of body. 



5. Lepadella quinquecostata, ventral view; page 544. 



6. Lepadella quinquecostata, dorsal view. 



7. Lepadella quinqiiecostata, lateral view. 



8. Lepadella quinquecostata, cross section of body. 



9. Lepadella imbricata, ventral view; page 556. 



