FUNGUS GXATS OF NORTH AMERICA, 



191 



Plate. 

 Hypopygia. 

 Monoclona elegantula. One limb of forceps, x 200. 

 Tetragoneura nitida. Dorsal aspect, x 200, 

 Sciophila (Lasiosoma) habilis. Dorsal aspect, x 200. 

 " " glabana. Ventral aspect, x 100. 



Eudicrana obumbrata. x 100. 



Sciophila (Lasiosoma) severa. Dorsal aspect, x 200. 

 " " hebes. Dorsal aspect. x200. 



Diomonus magnificus. One limb of inferior for- 

 ceps. X 100. 

 Sciophila (Lasiosoma) nugax. Dorsal aspect. x20o. 

 " " impar. Mesal aspect, x 200. 



