Requested reference
Gertsch, W. J. (1939c). Report on a collection of Arachnida from the Chisos Mountains. Contributions from Baylor University Museum 24: 17-26. 
-- Show included taxa
Gertsch, W. J. (1939c). Report on a collection of Arachnida from the Chisos Mountains. Contributions from Baylor University Museum 24: 17-26. -- Show included taxa