566 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 51. 



EXPLANATION OF PLATES. 



All figures are liighly magnified. For actual measurements see 

 text. 



Plate 89. 



Fig. 1. Lepadella apsida, ventral view; page 536. 



2. Lepadella apsida, lateral view. 



3. Lepadella apsida, cross section of body. 



4. Lepadella ovalis, ventral view; page 537. 



5. Lepadella ovalis, ventral view. 



6. Lepadella ovalis, dorsal view. 



7. Lepadella ovalis, lateral view. 



8. Lepadella ovalis, cross section of body. 



9. Lepadella ovalis, ventral view. 

 10. Lepadella ovalis, dorsal view. 



Plate 90. 



Fig. 1. Lepadella patella, ventral view; page 539. 



2. Lepadella patella, ventral view. 



3. Lepadella patella, dorsal view. 



4. Lepadella patella, ventral view. 



5. Lepadella patella, dorsal view. 



6. Lepadella patella, dorsal view. 



7. Lepadella patella, cross section of body. 



8. Lepadella patella, dorsal view. 



9. Lepadella patella, ventral \iew. 



10. Lepadella patella, lateral view. 



11. Lepadella patella, cross section of body. 



12. Lepadella patella, ventral view. 



Plate 91. 



Fig. 1. Lepadella patella, male, lateral view; page 534. 



2. Lepadella patella, male, ventral view. 



3. Metopidia collaris?, lateral view; page 541. 



4. Metopidia collaris?, ventral view. 



5. Metopidia collaris?, cross section of body. 



6. Lepadella bidentata, ventral view; page 550. 



7. Lepadella latimnus, lateral view; page 542. 



8. Lepadella latusiniis, ventral view. 



9. Lepadella lattisinus, ventral view. 



10. Lepadella latus-inus, dorsal view. 



11. Lepadella latusinus, ventral view. 



12. Lepadella latusinus, cross section of body. 



Plate 92. 



Fig. 1. Lepadella dactyliseta, ventral view; page 547. 



2. Lepadella dactyliseta, lateral view. 



3. Lepadella dactyliseta, cross section of body. 



4. Lepadella acuminata, ventral \'iew; page 546. 



5. Lepadella acuminata, dorsal view. 



6. Lepadella acuminata, lateral view. 



7. Lepadella acuminata, cross section of body. 



