Hanken, James 1976 Thamnophis sp. Hotel Margarita, Oaxaca, Mexico 16 July San Vicente Lachixio - - pulmonaris-like, only bigger - all with do brownish dorsal stripe and faint white speckling on dorsum - center same as other supposed pulmonaris thus far: dark, although thin and thus some what transparent revealing viscera, and scattered light flecking on center 17 July San Juan del Estado - pulmonaris-like (see general description for others) - only one animal, with only part of a tail - dorsal stripe dark brown, not contrasting terribly much with the dark sides - Idors even darker - venters as San Vicente Lachixio locality 18 July El Tejocote - one animal, pulmonaris-like - dorsal stripe brown w/darker chevrons, edged in black contrasting w/gray flanks - venter same as above