Figure 13.-- "V" notch checkmark placed too far from flipper tip. 



Figure 14. --Slice type of checkmark. 



Recovery of tags and checkmarks. — Infor- 

 mation developed from the carcass re-exami- 

 nation study begun in 1960" shows that few 

 (<0.5 percent) tags ?re overlooked, that con- 

 siderable numbers of checkmarks are over- 

 looked, and that the slice type of checkmark 

 (fig. 14) is more easily recognized by the men 



10 



See footnote 1, page 15. 



recovering tags than is the "V" notch check- 

 mark. Carcass re-examination is now a per- 

 manent part of the tag and checkmark recovery 

 program. 



A comparison of recovered and overlooked 

 checkmarks is made in table 22 for the years 

 1961 and 1962. Data for 1960 have been 

 omitted in the table because recoveries of 



33 



