E. T. CRESSON, JR. 89 



Plate III 



(Profiles of heads) 



All figures have a magnification of seventeen diameters. 



Fig. 32. — Trypetoptera pallida Loew. 



Fig. 33. — Limnia unguicornis subsp. sarato(icn.sis Fitch. 



Fig. 34. — Euthycera arcuata Loew. 



Fig. 35. — Hoplodictya setosa Coquillett. 



Fig. 36. — Limnia shannoni new species. 



Fig. 37. — Hedroneura lineala Day. 



Fig. 3^. — Diclyomyia amhigua Loew. 



Fig. 39. — Sepedon armipes Loew. Hind femur and tibia of male. 



Fig. 40. — Sepedon tenuicor-nis new species. 



TRANS. AM. ENT. SOC, XLVI. 



