Geology and Natural History. 315 
(Sandwich Islands), about which recent eruptions, and partly sub- 
marine, have taken place on the east, southeast, south and west 
slopes of the island, or through more than half of its circumference ; 
Savaii, the largest of the Samoan or Navigator Islands, and the 
last of the group to become extinct, as its lava streams show; the 
eastern half of Maui, whose great crater must have been recently 
in action, while the western half bears the fullest evidence of long 
extinction; and the northern extremity of the Ladrones. I state 
reef of even su i 
islands, as they well might if submarine eruptions were the cause, 
and I mention examples; thus agreeing with Mr. Darwin’s criti- 
cism that “the existence of reefs, though scantily developed, and, 
one part of Hawaii, shows that 
features, and therefore that which would not have been reache 
end; the is l 
coral reefs, while large at the other and with broad reefs. 
y 
e their 
ity of the range ;” and 
no observations yet made suggest the contrary view. 
iti ive voleanos are absent from 
me ; 
received. As regards the Pacific Ocean, I have found nothing to 
sustain it. The subsidence of the coral island area of the ocean 
was one of so vast extent—the breadth 4000 miles, according to 
