
Figure 6,-=Aluminum tag, 8 x 95 mm., applied by Soviet investigators to fur 
seals on the Commander Islands, 1931. The tag was clasped in the 
form of a ring around a loose fold of skin ahead of the fore 
flipper (Barabash-Nikiforov 1936: 230, fig. 49). 

Figure 7.--Disec used by Soviet investigators for tagging fish; suggested by 
them for use on fur seals. (a) Disc being pulled by a needle 
through a fold of skin and clinched. (b) Dise intact, and method 
of attaching tail piece to eye of needle (Barabash-Nikiforov 1936: 
231, fig. 50). 
15 
