144 OHIO FOSSILS 



Ulrich, Edward G. (1895), New and Little Known Lamellibranchiata from the Lower 

 Silurian Rocks of Ohio and Adjacent States: Ohio Geol. Survey vol. 7, pp. 627-693, illus. 



Unklesbay, A. G. (1954), Distribution of American Pennsylvanian Cephalopods: Jour. 

 Paleont. vol. 28, pp. 84-95, 3 text figs. 



Walton, John (1953), An Introduction to the Study of Fossil Plants, Adam and Chas. 

 Black, London, 201 pp. , 138 figs. 



Watkins, Dorothy G. (1953), Publication List and The Story of Ohio's Mineral 

 Resources: Ohio Div. of Geological Survey Information Circular No. 9, 47 pp. , illus. 



(1953a), Bibliography of Ohio Geology 1819--1950: Ohio Div. of 



Geol. Survey Bull. 52, 103 pp. 



Wells, John W. (1944), Middle Devonian Bone Beds of Ohio: Geol. Soc. America Bull, 

 vol. 55, pp. 273-302, 1 pi. , 14 figs. , maps. 



(1944a), A New Fish Spine from the Pennsylvanian of Ohio: Ohio 



Jour. Sci. vol. 44, pp. 65-66, 1 pi. 



White, George W. , and R. E. Lamborn (1949), Geology of Holmes County: Ohio 

 Geol. Survey Bull. 47, 370 pp. , 5 pis. , geol. maps. 



Whiteaves, Joseph F. (1906), Revised List of the Fossils of the Guelph Formation 

 of Ontario: Canada Geol. Survey, Palaeozoic Fossils vol. 3, pp. 327-340. 



Whitfield, Robert P. (1893), Contributions to Invertebrate Paleontology of Ohio: 

 Ohio Geol. Survey vol. 7, pp. 407-494, pis. 



Williams, Arthur B. (1940), Geology of the Cleveland Region: Cleveland Mus. Nat. 

 Hist. , Pocket Nat. Hist. No. 9, 61 pp. , 34 figs. 



Wood, Albert E. (1952), Tooth-marks on Bones of the Orleton Farms Mastodon: 

 Ohio Jour. Sci. vol. 52, No. 1, pp. 27-28; reprinted, Ohio Div. of Geol. Survey Reprint 

 Series No. 4. 



