New spiders from Mexico and Panama

In the present paper are described eighty new species of spiders, among which are representatives of five new genera, found in two collections from Mexico and Panama respectively. The collection from Mexico was made in the state of Guerrero by Prof. Dr. Schultze Fena, of the University of Marburg, at whose request the material was transmitted by Prof. Dr. E. Hesse, of the Zoological Museum of the University of Berlin. The adults and specifically identifiable specimens in this Mexican collection represent the following species: