PLAT E I. 



ANATOMICAL. 



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, labium; 22, mandibles; 33, maxilla* : 4, labium; 5, spinneret; a, coxa; />, tro- 

 chanter ; c, femur; d, tibia; e, tarsus; /, claw (highly magnified). 



3. Assumed type of neuration of fore-wing of a Lepidopterous insect. (After Merrick.) 



4. Ditto of hind-wing. (After Meyrick.) 



5. Side view of the head of Vanessa gonerilla with proboscis extended. (Imago, Plate XII., fig. 5.) 



6. Ditto with proboscis coiled up. (In both these figures only the basal portions of the antennae are shown.) 



7. Neuration of fore-wing of Anosia erippus. (Imago, Plate XL, fie;. 1.) 



8. Ditto of hind-wine. 



9. Digestive system of a Lepidopterous larva. A. oesophagus; 1>, ventriculus ; I', elavate intestine; 



E, ilium ; H, colon; K, biliary vessels ; 0, spinning vessels. (After Suckow.) 



10. Ditto of perfect insect. N, salivary vessels; ('. sucking stomach; (1, caecum. The rest as before. 



(After Herold.) 



11. Front view of the head of Vanessa gmierilla with the labial palpi removed showing the organs of the 



mouth. AA, eyes ; BB, antenna' (basal portion); /, labrum ; mm, mandibles; pp, maxillary palpi ; 

 C, proboscis formed of elongated maxillae (highly magnified). 



12. Neuration of fore-wing of Sphingida. (Deilephila : after Meyrick.) 



13. Ditto hind-wing. (After Meyrick.) 



14. Proleg of caterpillar highly magnified. 



15. Neuration of fore-wing of Chrysophanas salustius. (Imago, Plate XII., figs. 18-21.) 



16. Ditto of hind-wing. 



17. Fasciculate-ciliated antenna of Chloroclystis plinthina. (Imago, Plate VI., fig. 8.) 



18. Serrate antenna of Melanchra eomposita. (Imago, Plate V.. fig. 8.) 



19. Pubescent antenna of Epirranthis alectoraria. (Imago, Plate VIII., ties. 42-47.) 



20. Bi-pectinated antenna of Nyctcmtra annulata. (Imago, Plate IV, lies. 1,2.) 



21. Leg of Agrotis ypsilon. (Imago, Plate V., ties. 35, 36.) 1, coxa; 2, trochanter; 3, femur ; 4, tibia ; 



5, tarsus; (i, claw; SS, spurs. (All these are highly magnified.) 



22. Neuration of fore-wine; of Hepialus rirescens. (Imago, Plate XIJL, figs, lb, 17.) 



23. Ditto of hind-wine. 



24. Head of ditto. 



25. Neuration of fore- wing of Erebia plato. (Imago, Plate XL, figs. 8-10.) Vein 11 absent. 



26. Ditto, veins 11 and 12 concurrent. 



27. Ditto of hind-wine 



28. Neuration of fore-wing of Porina signata. (Imago, Plate XI I P. lie. 15.) 



29. Ditto of hind-wine. 



30. Neuration of fore-wing of (Eceticus omnicorus. (Imago, Plate XI I P, lie 6.) 



31. Ditto of hind-wine. 



