John IVcsley Powell.— iMcrrill. 333 
Although himself not a college graduate, Powell received 
in 1886 the degree of Ph.D. from Heidelberg, Germany, and 
and that of LL.D.. from Hansard. In 1862 he married Miss 
Emma Deane of Detroit. His widow and one daughter sur- 
vive him. 
THE RICHMOND GROUP ALONG THE WESTERN 
SIDE OF THE CINCINNATI ANTICLINE IN 
INDIANA AND KENTUCKY. 
By Auo. F. FoERSTE, Dayton, Ohio. 
PLATES XX-XXII. 
CONTENTS. 
A. The subdivisions of the Cincinnati series 333 
The Mount Auburn bed 334 
The Warren bed 335 
The base of the Eovver Richmond 336 
The top of the Lower Richmond 339 
The Middle Richmond 340 
The base of the Upper Richmond 342 
The top of the Upper Richmond 346 
B. Decrease in thickness of the Richmond group 348 
I. Indiana 348 
The Richmond stage 348 
The Middle and Lower KicUmond 348 
ir. Kentucky 349 
The Richmond stage 349 
The .Middle and Lower Richmond 350 
Coral reefs in Kentucky and Itdiana 352 
The Upper Richmond 354 
C. Conclusions 354 
A. The Subdivisions of the Cincinnati Series. 
In Ohio, that part of the Ordovician system which overlies 
the Trenton is included in the Cincinnati series. The Cincin- 
nati series is divided into three stages of nearly equal thickness : 
the Richmond stage, which attains a thickness of about 235 
feet along its northern line of outcrop in Indiana and Ohio; 
the Lorraine stage, 300 feet thick ; and the Utica stage, 260 feet 
thick. The various subdivisions of these stages* are given in 
the following table, in descending order: — 
• "The Geology of Cincinnati." J. M. Nickles, Jour. Cincinnati Soc. ^at. 
H/st., 1902. No. 2. The writer is much indebted to this paper, and also to 
raanv suggestions given personally by Mr. Nickles, in the field and elsewhere. 
The "writer accompanied Mr. Nickles on a trip during which the localities 
between Versailles and Marble Ilill were visited. 
