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THE EURYPTERIDA OF NEW YORK 435. 
Walcott, C.D. Description of a New Genus of the Order Eurypterida from the 
Utica Slate. American Jour. Sci. 23:213 
Hall, James. Description of a New Species of Stylonurus from the Catskill 
Group. N. Y. State Mus. Rep’t, 36:76 
Schmidt, F. Miscellanea Silurica III. Mém. Acad. Imp. Sci. St. Pétersb., ser. 7,. 
31:46 
Claypole, E. W. Note on a Large Crustacean from the Catskill Group of Penn-. 
sylvania. American Philosophical Soc. Proc. 21:236 
Hall, James. Note on Eurypteridae of the Devonian and Carboniferous Forma- 
tions of Pennsylvania, with a Supplementary Note on the Stylonurus excelsior. 
American Ass’n Adv. Sci. Proc. 33:421 
——- Eurypteridae from the Lower Productive Coal Measures in Beaver 
County, etc. 2d Geol. Sur. Penn. Rep’t of Progress PPP, p. 23 
Whiteaves, J. F. Palaeozoic Fossils of Canada, v. 3, pt 1, p. 42 
Packard, A.S., jr. On the Carboniferous Xiphosurous Fauna of North America. 
National Acad. Sci. Mem. 3:153 
Thorell, T., & Lindstrom, G. On a Silurian Scorpion from Gotland. Kongl. 
Svenska Vetensk. Akad. Handlingar, Bd. 21, no. 9 
Williams, H. S. Notice of a New Limuloid Crustacean from the Devonian. Ameri- 
can Jour. Sci. 30:45 
Whitfield, R. P. An American Silurian Scorpion. Science, 6:87 
On a Fossil Scorpion from the Silurian Rocks of America. 
American Mus. Nat. Hist. Bul. v. 1, art. 9 
Scudder, S. H. Arachnoidea, in Zittel’s Handbuch der Palaeontologie, 1 Abth., 
Bd. 2 | 
Packard, A. S., jr. On the Class of Podostomata, a Group embracing the Mero-. 
stomata and Trilobites. American Naturalist, 20:1060 
Pohiman, Julius. Fossils from the Waterlime Group near Buffalo, N. Y. Buffalo 
Soc. Nat. Sci. Bul. 5:23 
Thorell, T. On Proscorpius osborni Whitfield. American Naturalist, 20:269. 
Whitfield, R. P. Professor Thorell and the American Silurian Scorpion. Science, 
7:216 
Woodward, H. On a New Species of Eurypterus from the Lower Carboniferous 
shales of Glencartholm, Eskdale, Scotland. Geol. Mag. n.s. 4:481 
Hall, J., & Clarke, J. M. Palaeontology of New York, 7:153 
