138 OHIO FOSSILS 



Claypole, Edward W. (1891), Megalonyx in Holmes County, Ohio, 1890: Am. Geol. 

 vol. 7, pp. 122-132, 149-153. 



Colbert, Edwin H. (1955), Evolution of the Vertebrates - A History of the Backboned 

 Animals Through Time, John Wiley & Sons, Inc. , New York, 479 pp. , 122 figs. 



Condit, D. Dale (1912), Conemaugh Formation in Ohio: Ohio Geol. Survey Bull. 17, 

 363 pp. , 16 pis. , 10 maps, 17 figs. 



Conrey, G. W. (1921), Geology of Wayne County: Ohio Geol. Survey Bull. 24, 155 pp., 

 10 pis. , 5 maps. 



Cooper, Chalmer L. _et aL (1953), Geology: Boy Scouts of America, Merit Badge 

 Series, 83 pp. , illus. 



Cope, Edward D. (1875), Synopsis of the Extinct Batrachia from the Coal Measures: 

 Ohio Geol. Survey vol. 2, pt. 2, Paleontology, pp. 349-411, 20 pis. 



Crookall, R. (1929), Coal Measure Plants, 80 pp., 39 pis. , London, Edward Arnold 

 &Co. 



Cumings, Edgar R. (1908), The Stratigraphy and Paleontology of the Cincinnati Series 

 of Indiana: Indiana Dept. Geol. Ann. Rept. , vol. 32, pp. 605-1188, pis. , maps. 



Dalve', Elizabeth (1948), The Fossil Fauna of the Ordovician in the Cincinnati Region, 

 56 pp. , Cincinnati, Ohio, Univ. Museum, Dept. of Geol. and Geog. , Univ. Cincinnati. 



Dunbar, Carl O. (1949), Historical Geology, John Wiley & Sons, Inc., New York, xii 

 + 567 pp. , illus. 



Dunkle, David H. (1947), A New Genus and Species of Arthrodiran Fish from the Upper 

 Devonian Cleveland Shale: Cleveland Mus. Nat. Hist. Sci. Pub. vol. 8, No. 10, pp. 103-117, 

 5 figs. 



and Peter A. Bungart (1939), A New Arthrodire from the Cleveland Shale 



Formation: Cleveland Mus. Nat. Hist. Sci. Pub. vol. 8, No. 2, pp. 13-28, 1 pi. , 6 figs. 



and (1940), One of the Least Known of the Cleveland 



Shale Arthrodira: Cleveland Mus. Nat. Hist. Sci. Pub. vol. 8, No. 3, pp. 29-47, 2 pis. , 

 15 figs. 



and (1942), A New Genus and Species of Arthrodira from 



the Cleveland Shale: Cleveland Mus. Nat. Hist. Sci. Pub. vol. 8, No. 6, pp. 65-71, 2 figs. 



and (1945), A New Arthrodiran Fish from Upper Devonian 



Ohio Shales: Cleveland Mus. Nat. Hist. Sci. Pub. vol. 8, No. 8, pp. 85-95, 3 figs. 



m • 



Ehlers, G. M. , E. C. Stumm, and R. V. Kesling (1951), Devonian Rocks of Southeastern 

 Michigan and Northwestern Ohio, 40 pp. , 5 pis. 



Engeln, O. D. von, and Kenneth E. Caster (1952), Geology, McGraw-Hill Book Co. , 

 Inc. , New York, xii + 730 pp. , illus. 



Flint, Norman K. (1951), Geology of Perry County: Ohio Geol. Survey Bull. 48, 234 pp. , 

 15 pis. , 8 figs. , map. 



