1889.] NATURAL SCIENCES OF PHILADELPHIA. 101 



2.a. Male palpus. 



2.1). Epigynum. 

 Fig. 3. Menemerus melanognathus, Luc. 



3. a. Male palpus from above. 



3.b. Male palpus from below. 

 Fig. 4. Lycosa atlantica, nov. spec, Epigynum. 



Fig. 5. Pholus tipuloides, Koch. 



5. a. frons. 



5.b. Epigynum and lungs. 



