HOUDE: ABUNDANCE AND POTENTIAL YIELD OF THREAD HERRING 



8C 7113 * TI 7111 



Opisthonema oglinum eggs 



May 1971 



8C 7113 < TI 7111 



Opisthonema oglinum labvae 



May 1071 



30 



GE 7117 



Opistmonema oglinum eggs 



June - Jul* 1971 



8C 7120 8 TI 7121 



Opisthonema oglinum eggs 



August 1971 



84' 



GE 7117 



Opisthonema oglinum larvae 



June - July 1971 



80* 



84° 



8C 7120 i TI 7121 



Opisthonema oglinum larvae 



August 1971 



FIGURE 3. — Distribution and abundance of thread herring eggs and larvae. Catches are standardized to 

 numbers under 10 m 2 of sea surface A, B. Cruise 8C7113-TI7114, May 1971. C, D. Cruise GE7117, 

 June-July 1971. E, F. Cruise 8C7120-TI7121, August 1971. 



497 



