Adder Small 320×137 Medium 640×275 Large 1024×439 Download Tiff Original 2400×1030 | (905.6 KB) Description "Adder, or Viper (Pelias Berus)"-Whitney, 1902 Keywords pelias, snake, venom, viper Galleries Snakes and Lizards Source: William Dwight Whitney, The Century Dictionary, an Encyclopedic Lexicon of the English Language (New York: The Century Co., 1902)I:67
