PLATE 12 
The ‘‘Albatross’’ bottom-sampling apparatus. (After photographs by 
Charles De Long). 
Fig. 15. Apparatus ready to be dropped. 
Fig. 16. Upper and lower sections taken apart. 
Rg., ring for attachment of rope. 
Stm., stem. 
Up. T., wpper tube, in which the last slides. 
R. L., release lugs. 
Up. V., upper valve. 
Fil., flanges. 
T. B., trip-bar. 
Str., stirrup. 
V. R., slender brass rod which operates lower valve. 
I. T., inner tube. 
O. T., outer tube. 
V. H., valve housing. 
Sh., shoe. 
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