Goodnight, Clarence J. (Clarence James), 1914-Goodnight, Marie Louise, 1916-2005-10-062005-10-061953http://hdl.handle.net/2246/494481 p. : ill., map ; 24 cm.Includes bibliographical references (p. 76-77).Introduction. Acknowledgments. Historical factors that may influence distribution of opilionids in Chiapas. Ecological factors that may affect distribution of opilionids. Present-day opilionid distribution. Gazet[t]eer of collecting localities -- Systematic study.7736970 bytesapplication/pdfen-USQL1 .A436 no.1610, 1953Opiliones -- Mexico -- ChiapasOpiliones -- Mexico -- Tabasco (State)Opiliones -- Mexico, Southeast -- Geographical distribution.Opiliones -- Dispersal -- Mexico.Arachnida -- Mexico -- ChiapasArachnida -- Mexico -- Tabasco (State)Arachnida -- Mexico, Southeast -- Geographical distribution.Arachnida -- Dispersal -- Mexico.Chiapas (Mexico)text