FIGURE 1 in The taxonomic status of the "forgotten" Bolivian snakes, Atractus balzani Boulenger 1898 and Atractus maculatus (sensu Boulenger 1896) (Serpentes: Dipsadidae)

FIGURE 1. Detailed dorsal (upper), lateral (middle) and ventral (below) views of head of the holotype of Atractus balzani (MSNG 28873) from Covendo Mission range, province of Sud Yungas, Department of La Paz, Bolivia (A); and detailed dorsal (upper), lateral (middle) and ventral (below) views of head of the lectotype of Atractus emmeli (SMF 19364) from Mapiri River, department of La Paz, Bolivia. Photos of the lectotype of A. emmeli by G. Köhler.