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Willinms, H. S. — The Cnl)oi(les Zone and its Fauna: a Dis- 

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Williams, H. S. — Paheontological Researches, Genesee Slate. 

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]Villi^lms, H.S. — Comparative Paheontology of the Devonian 

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Willi^uns, H. S.— 0\\ a Renmrkable Fauna at the Base of the 

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Williams, H. S.— A Revision of the Cayuga Lake (New York) 

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Williains, H. .S'.— The Making of the Geological Time Scale. 

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WiJlianis, H. »S'.— The Elements of the Geological Time Scale, 

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WiUinins, H. *§.— Dual Nomenclatui-e in Geological Classifica- 

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Williams, H. N'.— Southern Devonian Formations. (Amer. 

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Williams, H. C7.— Notes on the Fossil Fishes of the Geuesee 

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Williams, Samuel G.— The Tully Limestone; Its Distribution 

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Williams, Samuel G.— The Tully Limestone; Its Distribu- 

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