PLATE G (Figs. 19-28). 
Figs. 19-22.— Leucochitonea arsalte, Linn. 
Fig. 19.—Fore-wing, magnified 3 times. P, costal fold. 
Fig. 20.—Transverse section through the middle of the fold, magni¬ 
fied 25 times. 
Figs. 21, 22.—Scales from the interior of the fold, magnified 180 
times. 
Figs. 28-28.— Thymele simplicius, Stoll., male. 
Fig. 23.—Fore-wing of male without costal fold, twice natural size. 
The cells are numbered according to Herrich-Schaeffer. 
Fig. 24.—Transverse section of the same wing across the part occu¬ 
pied in other males by the costal fold, magnified 25 times. M, c, sc, 
marginal, costal and subcostal nervures. 
Fig. 25.—Fore-wing of male with costal fold (P), twice natural size. 
Fig. 26.—Transverse section across the middle of the costal fold, 
magnified 25 times. M, e, marginal and costal nervures. 
Figs. 27-33 are magnified 180 times. 
Fig. 27.—Scales from the interior of the costal fold. 
Fig. 28.—Scales from the same part of another specimen. 
Fig. 29.— Thymele proteus, Linn., male. Scales from the costal fold. 
Fig. 30.— Thymele protillus, Herr.-Sch., male. Scales from the costal 
fold. 
Fig. 31.— Telegonus, undetermined species. Scales from the costal 
fold. 
Fig. 32.—Fragments of articulated hairs from the costal fold of an 
undetermined Hesperid. 
Fig. 33.—Hairs and scales from the costal fold of a species closely 
resembling Achlyodes thraso , Hiibn. 
