Figure 10. — Profile of the upper valve of a sea scallop. The annual rings are found in the 



areas of concave curvature. 



Table 2. — Length (mm.) of 392 sea scallops when tagged 

 (L„) and released at latitude l i l°52' N., longitude 66°23' 

 W., on Sept. 22, 1957, and when recaptured (L r ) about 1 

 year later 



SAMPLE 1. OUT 49.6 WEEKS 



SAMPLE 2, OUT 58.1 WEEKS 



Table 2. — Length (mm.) of 392 sea scallops when tagged 

 (L g ) and released at latitude I r l"52' N., longitude 66°23' 

 W., on Sept. 22, 1957, and when recaptured (L r ) about 1 

 year later — Continued 



SAMPLE 4, OUT 64.1 WEEKS 



SAMPLE 5, OUT 66.7 WEEKS 



ANNUAL MARKS ON SHELL OF SEA SCALLOP 



307 



