Memoir 25 



Plate XXX 



WINGS OP TANYDERIDAE, PTTCHOPTERIDAE, AND TIPULIDAE (cYLINDROTOMINAE) 



1, Proioplasa fitckii 



2, Ptychoptera mfocincta. 3, Biiiacomorpha clavipes. 4, Billacomorphella 

 jonesi 



5, Liogma nodicornis. 6, Ci/lindrotoma americana; 7, C. tarsalis. 8, Phcla- 

 crocera (ipulina; 9, P. ncoxena 



963 



