This is a Singing Group of Hawaiian Youths in Boston.
The ones standing–Fred W. Kahea, James Pekelo. Those sitting–David Kaai Kaleikau [Kaleikoa], Madame Anehila [Hobron], Lui Thompson Keouli, Monsieur [William] Holoua
[Plus check out this awesome brochure from the same time put up by the University of Iowa! The Honolulu Students from the Hawaiian Islands. Sometimes the internet is such a good thing!]
(Kuokoa 2/7/1908, p. 6)