1904.] NATURAL SCIENCES OF PHILADELPHIA. 323 



Plate XX, Fig. 30. — Trochosa rubicunda, $ , epigynum. 

 Fig. 31. — Trabcea aurantiaca, ^f. palpal organ. 

 Fig. 32. — Idem, (^, lateral view of cephalothorax. 

 Fig. 33. — Aulonia humicola, 9 , lateral view of the cephalothorax. 

 Fig. 34. — -Dolomedes sexpunctatus, (J', palpal organ. 

 Fig. 35. — Dolomedes fontanus, (^, palpal organ. 

 Fig. 36. — Idem, (^ palpal tibia from the ventral surface. 

 Fig. 37. — Idem, 9 , epigynum. 



Figs. 38, 39. — Lycosa inhonesta, 9 9 , epigyna of Texas specimens. 

 Fig. 40. — Lycosa nigra, (^, type, palpal organ. 

 Fig. 41. — Idem, (^, epigynum. 



Fig. 42. — Trochosa avara, epigynum, 9 from Texas. 

 Fig. 43. — Trochosa cinerea, epigynum, 9 from Texas. 



