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Type-locality.~Cueva del Nacimiento del Rio SanAntonio, 10 km SSW Acathin, Oaxaca, Mexico.Distribution.-Known only from the type-locality.See Fig. 39.Discussion.-This pale species with rudimentaryeyes is related to M. tinaja.Metagonia pachona GertschMetagonia pachona Gertsch, 1971a:88, fig. 117, 124;Reddell and Mitchell, 1971a: 147; Reddell, 1973a:38; Hoffmann, 1976:25.Type-locality.-Cueva de EI Pachon, 7.5 km NE ofAntiguo Morelos, Tamaulipas, Mexico.Distribution.~Known only from the type-locality.See Fig. 39.Discussion.-This pale, small-eyed species is tentativelyconsidered to be a troglobite. It is related to M.tinaja.Metagonia pum GertschMetagonia pum Gertsch, 1971a:48, 87, fig. 108.109,122; Reddell and Mitchell, 1971b:187; Brignoli,1972:137, 138-139, fig. 2(16-18); Reddell, 1973a:33, 39; Reddell and Elliott, 1973b:184; Hoffmann,1976:25.MEXICO/'/GUATEMALA;.10 ,..II i>,_I~ ~l-----Lf/. I\.-' !I/i\. .t)'-.'-."i..,-----'IiiL/..//r\r·r-..-"Fig. 40.-Distribution of 10 species of troglophilic pholcid spider of the genus Metagonia: 1, Metagonia candela; 2, M.serena; 3, M. placida; 4, M. capilla;.5, M. secreta; 6, M. tinaja; 7, M. punctata; 8, M. maximiliani; 9, M. amica; 1O,M. iviei.151