Illustrated Key to the Snakes of the Philippines Author Weinell, Jeffrey L. Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, Lawrence, Kansas 66045; jweine2@gmail.com Author Hooper, Errol Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, Lawrence, Kansas 66045; Author Leviton, Alan E. Herpetology Division, Institute of Biodiversity Science & Sustainability, California Academy of Sciences, 55 Music Concourse Drive, San Francisco, California 94118. * Corresponding author; Email: jweine 2 @ gmail. com Author Brown, Rafe M. Department of Ecology and Evolutionary Biology and Biodiversity Institute, University of Kansas, Lawrence, Kansas 66045; text Proceedings of the California Academy of Sciences 2019 2019-09-30 66 1 1 49 journal article 299708 10.5281/zenodo.11512680 ccd739a4-10c3-4700-b27e-459bd82f1676 0068-547X 11512680 Naja Key to Philippine species. 1a. Dorsal body scales in 21–23 longitudinal rows at midbody; dorsal color uniformly light brown or olive...................................................... Naja philippinensis 1b. Dorsal body scales in 17–19 longitudinal rows at midbody; dorsal color black or dark brown........................................................................... 2 2a. A few anterior ventral body scales light yellow, followed by band of black that gradually fades posteriorly; 162–178 ventral body scales.............................. Naja samarensis 2b. Ventral body surface dark or light but without a distinctive black band on anterior portion; 178–189 ventral body scales........................................ Naja sumatrana