480 N. E. McINDOO 
Figs. 35 to 49 Sections showing variations in internal anatomy of olfactory 
pores of other flies. Figs. 35 to 38, from crane fly (Brachypremna dispellens 
Walk.); fig. 35, from trochanter; fig. 36, from wing; and figs. 37 and 38, from 
halter, fig. 37 being basal type and fig. 38 being scalpel type. Figs. 39 to 48, from 
robber fly (Erax «stuans L.); fig. 39, from trochanter; fig. 40, from femur; figs. 
41 and 42, from wing, and fig. 48, scalpel type from halter. Figs. 44 to 49, from 
flesh fly (Sarcophaga sp.); fig. 44, from trochanter; figs. 45 and 46, from wing, 
and figs. 47 to 49, from halter. > 1000. 
