. Bulletin - United States National Museum. Science. FiGUEE 5.—Head of PUuophis deppei jani: a, From the side; b, from Figure 6.—Dissected hemipenis of PUuophis sayi sayi cally a plains form, while deserticola is more or less restricted to desert regions—many of the forms show a wide range of habitat. Thus, in several cases the same subspecies is found with equal frequency in desert lowlands and on mountainsides at an altitude of several thou- sand feet. The eastern forms are generally believed to be confined to the pine forests and sandy barrens of the Coastal Plain, but m. melano- le
. Bulletin - United States National Museum. Science. FiGUEE 5.—Head of PUuophis deppei jani: a, From the side; b, from Figure 6.—Dissected hemipenis of PUuophis sayi sayi cally a plains form, while deserticola is more or less restricted to desert regions—many of the forms show a wide range of habitat. Thus, in several cases the same subspecies is found with equal frequency in desert lowlands and on mountainsides at an altitude of several thou- sand feet. The eastern forms are generally believed to be confined to the pine forests and sandy barrens of the Coastal Plain, but m. melano- leucus appears to be equally common in the Allegheny Mountain 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 United States National Museum; Smithsonian Institution; United States. Dept. of the Interior. Washington : Smithsonian Institution Press, [etc. ]; for sale by the Supt. of Docs. , U. S. Govt Print. Off.
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