' Contents-continued) 



ALVARINO, ANGELES. Distribution of siphonophores in the regions adjacent to 

 the Suez and Panama Canals 527 



RAJU, SOLOMON N. Three new species of the genus Mofwgnatkus and the lepto- 

 cephali of the order Saccopharyngi formes 547 



POTTHOFFi THOMAS. Osteological development and variation in young tunas, 

 genus Thunnus (Pisces, Scombridae), from the Atlantic Ocean 563, 



FRENCH, ROBERT R., and RICHARD G. BAKKALA. A new model of ocean mi- 

 grations of Bristol Bay sockeye salmon 589 



Notes 



BALDRIDGE, ALAN. Migrant gray whales with calves and sexual behavior of 

 gray whales in the Monterey area of central California, 1967-73 615 



BROOKS, a: L., C. L. BROWN, JR., and P. H. SCULLY-POWER. Net filter- 

 ing efficiency of a 3-meter Isaacs-Kidd midwater trawl 618 



DOW, ROBERT L. American lobsters tagged, by Maine commercial fishermen. 

 1957-59 622 



^^^6-19'T'^ 



