1917] New Mycetophilidce from California 319 



EXPLANATION OF PLATES. 



Plate XXV. 



la, Wing of Mycetophila maculosa n. sp.; A, Hypopygium of Mycelophila 

 maculosa n. sp., (lateral aspect); 1, dorsal aspect of hypopygium; 2, upper forceps 

 (one side), of hypopygium; 3, lower forceps (one side), of hypopygium; 4, ventral 

 sclerite of hypopygium. 



lb. Wing of Mycetophila permala n. sp.; B, Hypopygium of Mycetophila permata 

 n. sp. (lateral aspect); 5, lower forceps; 6, upper forcpps; 7, dorsal sclerite; 

 8, ventral sclerite. 



Plate XXVL 



2a, Wing of Mycetophila alata n. sp. A, Hypopygium of Mycetophila alatu n. sp. 

 (lateral aspect); 1, dorsal sclerite; 2, upper forceps; 3, lower forceps. 



2b, Wing of Johannseni aiirei n. sp. (lateral aspect); B, hypopygium of / aurei 

 4, dorsal sclerite; 5, upper forceps; 6, lower forceps. 



Plate XXVII. 



3a, Wing of Allodia dentica n. sp. A, Hypopygium of Allodia dentica n. sp. 

 (lateral aspect); 1, dorsal sclerite; 2, upper forceps; 3, lower forceps; 4, ventral 

 sclerite; 5, fore-tarsus (except first tarsal segment); 5a, second tarsal segment. 



