Abstract Analysis of archaeofaunal remains recovered fromseveral geographically and culturally linked postclassicsites in the Laguna de Magdalena Basin, Jalisco, Mexico,reveals that indigenous agrarian people of this areaincorporated substantial quantities of the robust bigfootleopard frog (Lithobates megapoda) (Taylor 1942) in theirdiet during both prehispanic and colonial occupations. Eventhough residents of this area combined hunting and fishingwith cultivation of both native and colonially introducedflora and fauna, more frog remains were recovered than anyother small species. Furthermore, it appears that exploita-tion of the frog was most intensive during the colonialoccupation. As in modern cuisine, the hindlimbs were thepreferred portion. Mortuary frog effigies suggest that thefrog may also have had iconic value. [Keywords: DietaryLithobates megapoda, postclassic Etzatla´n, Jalisco] Introduction In the early 1960s a team of archeologists based atthe University of California, Los Angeles (UCLA),excavated a cluster of sites in the Cuenca de Laguna deMagdalena or Etzatla´n Basin of western central Mexico.This is the westernmost lake basin of the Mesa Central,located at an elevation of about 14 hundred meters(4,593 feet), about eighty kilometers (50 miles) west ofGuadalajara and about one hu ndred kilometers (62 miles)east of the Pacific coast. Prehistorically and at the timeof Spanish contact, numerous native communitieswere situated around the margins of an expansivelake and on islands within the lake (Figure 1). Thislake was one of many volcanic endorheic freshwatersources in Central Mexico; that is, it was a closeddrainage basin with no direct outflow, losing wateronly by evaporation and seepage.Laguna de Magdalena has been pictured asextending from the present community of Etzatla´non the south to El Arenal on the north (Bell 1974, plateI accompanying Nicholson and Meighan 1974). In1892, the lake was reported to have been about twentymiles long and several miles wide (Goldman 1951) andsupported a thriving local fishery. Although the lake isnow considered extinct (having been drained in theearly 1900s) (Weigand 1985), residual stands of waterin the basin currently provide habitat for some fish(Dominguez-Dominguez et al. 2007; Smith and Miller1980) and aquatic birds (Williams 1982).Early Spanish reports note that Etzatla´n had anable-bodied adult male population of about sixhundred. Weigand, however, estimates a much largerpopulation, possibly several thousand individualsoccupying several hundred hectares (Nance et al.n.d.).
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