Crane fly wings 



r Undetermined Tipuline from Virginia, 111. 



Z Tip of wing of Rhabdinobrochus extinct us Scudd., after 

 Scudder (Florissant fossil) 



3 Tip of wing ofPlusiomyia gracilis Walker, after Westwood 



4 Ptilogyna ramicornis Skuse, after Skuse 



5 Semnotes ducalis' Westw., after Skuse 



6 Ozodicera griseipennis Loew, after Loew 



4S6 



