PLATE 28. 
1-11. Podophora atrata Agass. 
Lantern, seen from above. 
The same as 1, seen in profile. 
One of the pyramids, seen from the exterior. 
The same seen from the interior. 
The same seen in profile. 
Same seen from above. 
a. Epiphysis of pyramid seen from the inside, b. pyramid seen in profile from the 
NRarwnde 
interior. 
a. Epiphysis of pyramid from the exterior, b. upper end of a pyramid seen from the 
exterior. 
9. a. Groove of tooth, b. dorsal view of tooth, c. seen in profile. 
10. a. The brace, seen from above, b. seen in profile, c. from below, d. endwise. 
11. a. Compass seen from above, b. the same in profile. 
% 
The figures are drawn from a denuded specimen 45 mm. in diameter. 
Hawaiian Ids., A. Garrett Coll. 
