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Discussion.-This species is known from caves inthe Xilitla and Aquism6n regions, San Luis Potosi,and from the geologically contiguous parts of Hidalgo.The eyes of P. cladonotus are very small and theappendages elongate, but not to the extent that theyare in P. caecus. This species probably also evolvedfrom the ancestral stock which gave rise to P. caecus.Paracophus cladonotus has been taken with P. placonotusin Cueva de El Tenango, Hidalgo, and Cueva delos Potrerillos and S6tano de Tlamaya, San Luis Potosi.Paracophus lippus HubbenParacophus lippus Hubbell, 1972:51, 52, 57, 58, 74,77-78, 80, 82, fig. 1(3), 2(15), 3(25), 4(34); Redden,1973a:35, 40.Type-Iocality.-Cueva de La Lagunita, BlaggRanch, 15 mi. NE of Ciudad del Maiz, San Luis Potosi,Mexico.Distribution.-Known only from the type-locality.See Fig. 69.Discussion.-This species also has very small eyes,reduced pigmentation, and elongate appendages. It isGUATEMALA -----,/r.... r· "'..;./ ../rFig. 70.-Distrihution of troglophilic gryllid crickets of the genus Paracophus: 1, Paracophus subapterus; 2, P. sanctorum;3, P. apterus; 4, P. apterus, P. reddelli, and P. placonotus; 5, P. apterus and P. placonotus; 6, P. placonotus.209