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PART I. SPECIES IOTPIFIISD DURING THE CRUISE 
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family thunibae 
As used here includes the Tunas, Albacores, Skipjacks, 
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Bonitos, Sierras, jp&* /ahpos, One other species he- 
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longing to this fianily appears in Part II of this list, 
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species So. 46. 
1. Yellow-fin Tuna, HgUiiiaamiB. MffiKfflrtqma 0’e»®iRck and Sohlegel). 
Caught at all Galapagos stops; heaviest about S6 lbs. Hone saved. 
Of 97 fish caught at Hood Island during the forenoon of July ?.S, 
the majority were yellow-fin tuna; t^o the larger ones weighed 
47 lbs. apiece. The Galapagos Islands are the southern limit the 
range of this species 
2. Black Skipjack, But hvnmis 
A JlCi shinouye 
Three specimens from the Galapagos Islands were saved; one from off 
Hood Id., July 28, and two from off the northern end of South Seymour, 
July 29. 
<S> 3 - Bonito, Saxte 
(Girard). 
Taken at Cedros Island and off Magdalena Bay. Though no specimens 
were saved, I feel certain of the identification. The species is 
abundant between Santa Barbara and Magdalena Bay. 
<S> 4. Sierra MaokeraX, >comberonoxus sierra (Jord^ui and 8t*&rks) • 
Taken off Magdalena Bay and Gape San Lucas; and at practically all, 
if not all, Galapagos stoos. Some of the largest the cruise were 
taken in Elisabeth Bay, Albemarle I sland . Many eaten, none saved 
