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abundant Albany Andrew Sherwood aphis appearance Barrois beetle Bohemian borer Brachiopoda broad Bronteus Bryozoa C. A. White caterpillar Chasmops Chemung group cocoon collector color Conrad Corniferous Country Gentleman creek Crustacea Cryphaeus cut-worm Cyphaspis Dalmanites Devonian eggs Emmons Entomologist Erbray étage fauna Figs Fitch forms fossils G. B. Simpson genera genus Geological green habits Hamilton group Helderberg Hercynian Ibid inch infested injurious insect insect attack J. W. Hall July June lake lamellae larvae leaves Lichas liii Limestone Lower Helderberg moth Museum N. Y. C. A. White N. Y. St Niagara North Elba notice observed Odontocephalus Oriskany Sandstone Palaeontology parasite pest Phacops Phil Pileus plants plates Proëtus Prof pupae R. P. Whitfield remedies Rensselaeria Report Rept Riemann Schoharie county Shale Silurian species Specimens collected Spiriferidae spores stem Strophomena tion trees Trilobites volume Wan Deloo whitish York