EXPLANATION OF PLATE D. 
Fig. 1.—Magnified 5 times. Front leg of the male of a small species of 
Erebid. a, pale hairs fringing the edge of femur; b, tuft of hair spring¬ 
ing from the base of the tibia, hidden between the hairs of the femur. 
Fig. 2.—’The same leg with the scent-tuft erected. 
Figs. 3-8 are twice the natural size. 
Figs. 3-12 refer to a different species of Erebid. 
Fig. 3.—-Eight hind leg of male. 
Fig. 4.—Left intermediate leg of female. 
Fig. 5.—Left intermediate leg of male, seen from the ventral side. 
Fig. 6.—The same from the dorsal side. 
Fig. 7.—-The same, seen from the anterior or upper margin of the 
femur, d, dorsal side ; v, ventral side. 
Fig. 8.—Eight intermediate leg of male, seen from the dorsal side, 
after removal of the scent-scales, a, scales; b, hairs on the edge of the 
femur, protecting the scent-scales. 
Fig. 9.—Magnified 5 times. Transverse section of the scent-organ. 
a, femur ; b, scent scales; c, protecting scales ; d, hairs. 
Figs. 10-12 are magnified 15 times. 
Fig. 10.—Dart-like scales from the intermediate femur of female. 
Fig. 11.—Scent-scales covering the dorsal side of the intermediate 
femur of male. 
Fig. 12.— a, petiolate scales; b, the inner ovate scales 1 ; c, hair-like 
scales; d, hairs of the fringe which protects the scent-scales. 
1 In the original, the descriptions of a and b in Fig. 12 were accidentally 
transposed, a being described as ovate ; b as petiolate.—E.A.E. 
