913.7 C280 V.4 Kampton , James Horward , 1891 - Teosinte in Guatemala ; report of an expedition to Guátemala , El Salvador , and Chiapas , México , by J . H . Kempton and Wilson Popence . Withthree plates and one map . Insued June 1937 ( In Carnegie institution of Washington . Con tributions to American archaeology . [Wasington] 1937 . 29 x 23 cm . v . 4 , No 23 , p . [199]-217 . ilus . (map) 3 pl . ) Bibliography : p . 217 .