Geology and Natural History. 467 
course of the streams, and thr rown into ban ese forks do 
not reach near the Rocky Mountains, but are entirely made up in 
the prairies. South of the Kau there area few regions of drift. One 
in Wabamsu County, opposite Wamego, is the largest deposit I 
have seen in the State. Fifty or a hundred acres, on the top of 
high bluffs, are covered so thick as to take up all the space, and I 
judged that it mi might be 8-12 feet deep in places. None of the 
stones or boulders are more than gi or = feet in diameter. 
3. Note on the Hawaiian Volcanoes; by Rev. T. Coan. (From 
a letter to J. D. Dana, dated Hilo, "Oct 6. , ieeuks has been 
very active for the greater part of the past year. The at 
South lake has been full and overflowing = of the time; and 
the caer central depression of 1868, in the crater, has been ‘filled 
up by de “ign ~~ 200 feet, while the sae around the great 
south lake (Halemaumau) is a ‘truncated mountain nearly as high 
as the outer Spd ie of the era pales: 
okuaweoweo, the summit crater of Mauna Loa, has been in 
action for eighteen months, For the most of the time the action 
has been violent. Of late it pe decreased, and there is the 
appearance that it will soon cea 
We have had few sat haestes at Hilo during the year, and 
these have been feeble. They are often felt near Kilauea in the 
district of Kau. 
- Permian in the Nova Scotia Coal Region.—Dr. Daw 
has a paper in the Quarterly Journal of the aia paisa 
vol. xxx, in which he points out reasons for suspecting the upper 
rbonife iod, 
veral of the plants of the beds are in ta both Carbon- 
iferous and Permian, as Calamites Suckovii istii, paint se 
, N 
longifolia, : fesd aig te ’. cordata . auriculata, 
ecopteris aborescens, P. oreo, cides, P. abbreviata ; Egos “ Ca- 
lamites gigas is a decidedly aad _ peculiarly Permian species.” 
a evidence is not positive. No marine shells occur in ng Be beds 
aid in arriving at a true conclusion. 
“ Seventh Annual Report of the heaps States Geological 
Survey of the Te pista Be. ly. Oe F. V. Haypsn, U. 8. 
Geologist in ey conducted under the authority of the Secre- 
tary of the In Washin — 1874.—Dr. Hayden’s Report 
