410 Scientific Intelligence. 
maining unpublished, and adds that the general direction as to 
the completion and publication of these volumes has been com- 
mitted to Major J. W. Powell, Director of the United States 
Geological Survey. This twelfth Annual Report contains Re- 
ports by C. A. Wuire on Cretaceous, Tertiary, Laramie, Triassic 
and Carboniferous fossils; Report by O. Sr. Jon on the Geology 
of the Wind River District; Report by S. H. Scupprr on The 
W. H. Hotmes, and a special report on the 
geysers by Dr. A. C. Pz 
3 edition to Rio Negro, Patagonia, in April, May and 
June, 1879, under the orders of General D. Junio A. Roca. 
