454 T. Coan on Kilauea and Mauna Loa. 
Color above dark fuscous, spotted and mottled with yel- 
lowish. 
Neepigon Bay, and two species of Phryganeide larve were 
common among Cladophora in 8 to 18 fathoms on the south 
side of St. Ignace. 
Arr. LVIIL— On Kilauea and Mauna Loa; by Rev. Trrus Coan. 
(From a letter to J. D. Dana, dated Hilo, Aug. 30.) 
ha 
leaving a high, serrous, black ledge around the circumference of 
2 rsp ; 
ees with light puffs of long, white steam rising here and there. 
; cre Were no demonstrations, and so nearly cooled was the bottom 
of that great south lake—Halemaumau—that I went down into it 
Some twelve hundred feet below the u rim of Kul 
measured across the floor. I found the diameter five-sixths of @ 
time, where the ineandeacoit rocks were seen boiling 
through - hy oe caverns fifty to one hundred feet below. Such 
y, 1869. 
Y recent Visit, two years later, I found great changes. 
uth lake had been filled with molten lavas, and successive 
ESTE See Se ee NS 
