PLATE i 



Fig. i. Viviennea moma, $, left tymbal organ ( x 36). 



Fig. 2. V. moma, $, base of microtymbal hair-scale ( X 385). 



Fig. 3. V. moma, <§, ventral view of left hindwing showing scent-organ in anal 



fold (X 32). 



Fig. 4. V. moma, <$, 'petal' scales of scent-organ ( X 134). 



Fig. 5. V. moma, $, dorsal surface. 



Fig. 6. V. tegyra, £, dorsal surface. 



