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Discussion.-This large species has the eyes reducedto small, evanescent spots in most individuals.Although not as highly cave adapted as N. arganoi,this species is almost certainly committed to a caveexistence.Family OchyroceratidaeThe tropical family Ochyroceratidae includes twoapparent troglobitic and three troglophilic species(see Fig. 34). Ochyrocera fagei Brignoli is knownfrom Cueva del Panteon, Chiapas; O. formosa Gertschwas described from Gruta del Silvino, Izabal, Guatemala;and an undescribed species of Ochyrocera hasrecently been collected in Grutas de Balankanche,Yucatan. In addition to the two troglobites discussedbelow, cave-adapted species of this family are knownfrom Jamaica and the Hawaiian Islands.Theotima martha GertschTheotima martha Gertsch, 1977b:126; Reddell,1977b:232, 239, 240, 291. Brignoli, 1979c:597.Type-locaJity.-Cueva Sodzil, 3 km W Sucopo,Yucatan, Mexico.Distribution.-Known only from the type.localityand possibly one cave in Quintana Roo. Sec Fig. 34.GUATEMALA//.r\r·-- ..-"/Fig. 31.-Distribution of troglohitic and troglophilic spiders of the genera Eidmannella and Nesticus: 1, Nesticus nahuanus;2, Nesticus n. sp. 1; 3, Eidmannella n. sp.; 4, Nesticus n. sp. 2-3; 5, N. hoffmanni; 6, N. vasquezi; 7, Nesticus n. sp. 4; 8, N.arganoi; 9,Nesticus n. sp. 5; 10, Nesticus n. sp. 6.142