44 TENTH ANNUAL REPORT. 
I found at Wheeling, W. Va. 400 feet above the great 
Pittsburg coal vein, while our specimen was found in the 
Coal Measures, Athens Co., Ohio. 
Earliest Fungi. 
The specimen below published previously in American Geologist. 
Incolaria securiformis. Here. 
(Fig. 3. Reduced one-half.) 
A fossil-fungus of early times existing under the bark 
of Sigillaria, sending forth rounded overlapping mycelia. 
Lesquereux describes one also from under the bark of 
Sigillaria, found in the shale of the Cannelton coal, giving 
it as Rhizomorpha Sigillaria. The above specimen was 
Fic. 3. Jncolaria securiformis. 
