PLATE B. 
STRUCTURAL. 
1. Outline of a Lepidopterous insect showing the terms employed in describing the various margins 
and angles of the fore- and hind-wings. 
2. View of the under side of the head and first segment of the larva of a Lepidopterous insect. AA, 
eyes; BB, antennae; 1, labrum; 22, mandibles; 33, maxillae; 4, labium; 5, spinneret; a, coxa; 
b, trochanter; c, femur; d, tibia; e, tarsus; f, claw (highly magnified). 
3. Assumed type of neuration of fore-wing of a Lepidopterous insect. (After Meyrick). 
4, Ditto of hind-wing. (After Meyrick.) 
5. Side view of the head of Vanessa gonerilla with probasecis extended. (Imago, Plate IV., fig. 9.) 
6. Ditto with proboscis coiled up. (In both these figures only the basal portions of the antennae are 
shown. ) 
Neuration of fore-wing of Danaida plexippus, showing British and Comstock-Needham notation of 
veins. (Imago, Plate IV., fig. 10.) 
8. Ditto of hind-wing. 
9, Digestive system of a Lepidopterous larva. <A, oesophagus; D, ventriculus; F, clavate intestine; 
FE, ilium; H, colon; K, malpighian tubes; O, spinning vessels. (After Suckow.) 
10. Ditto of perfect insect. N, salivary vessels; C, sucking stomach; G, caecum. The rest as before. 
(After Herold.) 
11. Front view of the head of Vanessa gonerilla with the labial palpi removed showing the organs of the 
mouth. AA, eyes; BB, antennae (basal portion); J, labrum; mm, mandibles; C, proboscis 
formed of elongated maxillae (highly magnified.) 
12. Neuration of fore-wing of Sphingidae. (Deilephila; after Meyrick.) 
13. Ditto hind-wing. (After Meyrick.) 
14. Proleg of caterpillar highly magnified. 
15. Neuration of fore-wing of Chrysophanus salustius. (Imago, Plate V., fig. 27.) 
16. Ditto of hind-wing. 
17. Fasciculate-ciliated antenna of Chloroclystis sandycias. (Imago, Plate XI., fig. 13.) 
18. Serrate antenna of Persectania composita. (Imago, Plate VIL, fig. 27.) 
19. Pubescent antenna of Hpirrhanthis alectoraria. (Imago, Plate XVI., fig. 5.) 
20. Bi-pectinated antenna of Nyctemera annulata. (Imago, Plate VI., fig. 3.) 
21. Leg of Agrotis ypsilon. (Imago, Plate VI., fig.21.) 1, coxa; 2, trochanter; 3, femur; 4, tibia; 
5, tarsus; 6, claw; SS, spurs. (AIL these are highly magnified.) 
22. Neuration of fore-wing of Hepialus virescens 6. (Imago, Plate XLITI., fig. 13.) 
=) 
23. Ditto of hind-wing. 
24. Head of ditto. 
25. Neuration of fore-wing of Hrebia pluto. (Imago, Plate V., fig. 18.) Vein 11 absent. 
26. Ditto, veins 11 and 12 concurrent. 
27. Ditto of hind-wing. 
28. Neuration of fore-wing of Porina signata ¢. (Imago, Plate XLIII., fig. 2.) 
29. Ditto of hind-wing. 
30. Head of ditto. 
*In this figure vein 10 is wrongly shown as stalked. 

