. Annual report of the Regents. New York State Museum; Science. SERPENTS OF NORTHEASTERN UNITED STATES 3S5 The author has not seen the specimens on which this subspecies is based, but from the published description the form seems to be entitled to as much recognition asE. s. graminea, and certain other forms to which Cope has given subspecific rank. B. CROTALIDAE Deep pit between eye and nostril; head rather markedly triangu- lar ; neck constricted; subcaudals entire. No normal (solid) teeth opon the upper jaw, which carries erectile hollow poison fangs. All the species are venomous. 21 Ancist
. Annual report of the Regents. New York State Museum; Science. SERPENTS OF NORTHEASTERN UNITED STATES 3S5 The author has not seen the specimens on which this subspecies is based, but from the published description the form seems to be entitled to as much recognition asE. s. graminea, and certain other forms to which Cope has given subspecific rank. B. CROTALIDAE Deep pit between eye and nostril; head rather markedly triangu- lar ; neck constricted; subcaudals entire. No normal (solid) teeth opon the upper jaw, which carries erectile hollow poison fangs. All the species are venomous. 21 Ancistrodon contortrix (Linn.) Copperhead De Kay. Trigonocephaly contortrix Jordan. Agkistrodon contortrix No rattle. Top of head with nine symmetric plates in front; scales behind. Scales in 23 rows. General form ;. Fig. 22 Ancistrodon contortrix Above hazel brown, becoming bright copper colored on head; darker chestnut colored blotches on sides; beneath dull yellowish, with a series of distinct, large, dark blotches on each side. Chin and throat unspotted. Sides of head cream color. Length 40 inches. " Though found in the western part of the state, most numerous in the meadows of Columbia and Dutchess ; De Kay, '42 Ditmars ('96, p. 23) mentions occurrences at Alpine N. J., and in Putnam, Westchester and Dutchess counties, ]N". Y. " Much more common than the ' rattler.' Some are killed in hay- fields in the neighborhood of Highland Falls, Orange co. each ; Mearns. '98, p. 327. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer
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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience
