"So long!" (1854)

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NA MOTU:
REEF ROVINGS IN THE SOUTH SEAS.
A NARRATIVE OF ADVENTURES AT THE HAWAIIAN, GEORGIAN AND SOCIETY ISLANDS
by Edward T. Perkins
New York:  Pudney & Russell
1854

   A fantastic book.  I ran out of time and got sick and didn't finish it.

Pg. 52:  "O Moses!"
Pg. 55:  ...and let us be friends again ere exchanging "So long" forever.
(See ADS-L archive, where I found someone claim it's Australian.  OED has 1865; M-W has c. 1861--ed.)
Pg. 71:  ...among his invectives, the words "Jupiter!" "Moses!" and "Mince-meat!" were conspicuous.
Pg. 78:  ...the usual "so'-long"....
Pg. 80:  ...indulge me with "soft tack."