bertie waterlime
Eurypterus remipes Dekay. Herkimer, Oneida, Madison, Cayuga and Erie counties, N. Y.
E. lacustris Hall. Erie and Cayuga counties, N. Y.; Bertie, Ontario
E. lacustris var. pachychirus Hall. Erie county, N. Y.
E. dekayi Hall. Erie county, N. Y.
E. pustulosus Hall. Erie county, N. Y.
Eusarcus scorpionis Grote & Pitt. Erie county, N. Y.
Dolichopterus macrochirus Hall. Herkimer and Erie counties, N. Y.
D. siluriceps nov. Erie county, N. Y.
D. testudineus nov. Herkimer county, N. Y.
Pterygotus macrophthalmus Hall. Herkimer county, N. Y.
P. buffaloensis Pohlman. Erie county, N. Y.
P. cobbi Hall. Herkimer and Erie counties, N. Y.
P. grandis (Pohlman). Erie county, N. Y.
rondout waterlime
Eurypterus remipes Dekay. Seneca and Genesee counties, N. Y.
manlius limestone
Eurypterus microphthalmus Hall. Herkimer, Onondaga and Otsego counties, N. Y.; Monroe limestone, Put-in-Bay, Lake Erie, Ohio
Devonic
Pterygotus atlanticus, nov. Campbellton, New Brunswick
P. sp. Gaspé, Prov. Quebec; Dalhousie, New Brunswick
? Eurypterus pulicaris Salter. New Brunswick
? Eurypterella ornata Matthew. Lancaster, New Brunswick
portage sandstone
Stylonurus (?) wrightianus (Dawson). Yates county, N. Y.
chemung—catskill beds
Stylonurus (Ctenopterus) excelsior Hall. Delaware county, N. Y.; Wyoming county, Pennsylvania
S. beecheri (Hall). Warren, Warren co., Pennsylvania
