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PART I. SPECIE'S IEEHTIFIBD 
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FAMILY THUHIMB 
) 
As used here includes the Tunas, Aibacores 
Skipjacks, Bonitos, Sierras, and hboos. One 
other species belonging to this family appears 
Part II of this list, species Ho. 46, 
1. Yellow-fin Tuna, 'Heothunnua rmcropterus (Temminck and Schlegel ) . 
Caught at all\Galapagos stops; heaviest about 56 lbs. Hone 
saved . Of 97 frsh caught at 'ood Island during the forenoon 
of July 28, the m%jo'"lty were yellow-fin tuna; two of the 
larger ones weighed 47 lbs. apiece. The 0 lapagos Islands 
I J> ~i are the southern limit V* the range of this species. 
( \ 
2- Black :3kipjack, Eafcj^mims il naat^a (Klshinouye). 
Three specimens from the Galapagos I elands were saved; one 
from off lood Id., July 28, an<T\two from off the northern 
end of South Seymour, July 29* 
3. Bonito, ilar.da ilnfiolata (Girard). 
Taken at C ed.ro s Island and off Magdalenh Bay. Though no 
% \ 
specimens were saved, I feel certain of the identification. 
The species is abundant between Santa Barbara\and Magdalena 
Bay. 
4. Sierra Mackerel, Scoaberoraoru;? sierra (Jordan and StarksV, 
Taken of ' Magdalena Bay and Cape San Lucas; and at practically 
all, if not all, Galapagos stops. Some of the largest of 
wer6 
the cruise J;aken in Blisabeth Bay, Albemarle Island. Many 
eaten, none saved. 
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