Geology and Natural History. 305 
The Reports, as we have before ee are’ very valuable contri- 
butions ta geological science, and as important to the economical 
interests of the Sta The pa leantolagiale volumes, if published 
with all the aterdry prec’ to the plan proposed, ‘will redound 
to the honor of the State, and contribute to the — of knowl- 
edge  pauered it, if bringing no return to its treasury. 
e present volume commences with a chapter on the Quater- 
nary, or, as it is here called, Surface Geology, by Dr. Newberry 
—a chapter which has been noticed in the last volume of this 
H a 
Cridut ioe are oe me Winche 1; ‘those on the Surface Geology of 
Southeastern Ohio, on Washin ngton No ble , Guernsey (southern 
half), Belmont (southern half), Monroe, Pickawa ay and Fairfield 
Counties, by E. B. Andrews, who has devoted much time to the 
coal formation ; and those on Pi e, Heo and Greene Counties, 
concluding the ‘volume, by Edward Orton. 
The facts in these Reports have in part appeared i in the Annual 
Reports published i n the course of the survey, and have been 
the subjects of sare: in this Journal. Without further discussion 
of their co ontents, we repeat that they are all worthy of thorough 
stay. The geological maps of the counties, inserted in the vol- 
~ are well colored. 
Sixth Annual Report of the Geological — of Indiana 
oT. during the year 1874; by E. T. Cox , State Geologist; as- 
sisted by Prof. Joun Cour, Prof W. W. "BorpeE» N and Dr. G. 
. Leverre, 288 0, ith maps and plates. This volume 
contains a Report by the State Geologist, Mr. Cox, on the Qua- 
ternary of Indiana, some of its economical products, its Indian 
y 
r. Cox gives the follo owing list of fossil ais found in the 
less near + New Harmony : Macrocyclis concar sight $e Zonites in- 
ous lim one, has afford jet Prof. sotto at Lexington in Seott 
‘ae i Rou—Tarp a Vou. X, No. 58.—Ocr., 1875, 
