1. CHALK-HILL BLUE (_Lycaena Corydon_). Male. 2. CHALK-HILL BLUE (_Lycaena Corydon_). Female. 3. HOLLY BLUE (_Lycaena Argiolus_). Male. 4. HOLLY BLUE (_Lycaena Argiolus_). Female. 5. MAZARINE BLUE (_Lycaena Semiargus_). Male. 6. MAZARINE BLUE (_Lycaena Semiargus_). Female. 7. SMALL BLUE (_Lycaena Minima_). 8. LARGE BLUE (_Lycaena Arion_). 9. DUKE OF BURGUNDY FRITILLARY (_Nemeobius Lucina_). 10. DUKE OF BURGUNDY FRITILLARY (_Nemeobius Lucina_). Under side. 11. GRIZZLED SKIPPER (_Syrichthus Malvae_). 12. DINGY SKIPPER (_Nisoniades Tages_). 13. SMALL SKIPPER (_Hesperia Thaumas_). 14. LULWORTH SKIPPER (_Hesperia Actaeon_). Male. 15. LARGE SKIPPER (_Hesperia Sylvanus_). Male. 16. SILVER-SPOTTED SKIPPER (_Hesperia Comma_). 17. CHEQUERED SKIPPER (_Carterocephalus Palaemon_). 18. NEW SMALL SKIPPER (_Hesperia Lineola_). PLATE VIII 1. LARVA OF SWALLOW-TAIL BUTTERFLY (_Papilio Machaon_). 2. LARVA OF ORANGE TIP (_Euchlo[:e] Cardamines_). 3. LARVA OF SILVER-WASHED FRITILLARY (_Argynnis Paphia_). 4. LARVA OF PEACOCK BUTTERFLY (_Vanessa Io_). 5. LARVA OF PURPLE EMPEROR (_Apatura Iris_). 6. LARVA OF DUKE OF BURGUNDY FRITILLARY (_Nemeobius Lucina_). 7. PUPA OF SWALLOW-TAIL BUTTERFLY (_Papilio Machaon_). 8. PUPA OF ORANGE TIP (_Euchlo[:e] Cardamines_). 9. PUPA OF SILVER-WASHED FRITILLARY (_Argynnis Paphia_). 10. PUPA OF PURPLE EMPEROR (_Apatura Iris_). 11. PUPA OF DUKE OF BURGUNDY FRITILLARY (_Nemeobius Lucina_). 12. PUPA OF DINGY SKIPPER (_Nisoniades Tages_). PLATE IX 1. PRIVET HAWK MOTH (_Sphinx Ligustri_). 2. SPURGE HAWK (_Deilephila Euphorbiae_). 3. LARGE ELEPHANT HAWK (_Ch[oe]rocampa Elpenor_). 4. EYED HAWK (_Smerinthus Ocellatus_). 5. LIME HAWK (_Smerinthus Tiliae_). 6. HUMMING-BIRD HAWK (_Macroglossa Stellatarum_). 7. BROAD-BORDERED FIVE-SPOTTED BURNET (_Zygaena Trifolii_). PLATE X 1. CINNABAR MOTH (_Euchelia Jacobaeae_). 2. WOOD TIGER (_Nemeophila Plantaginis_). 3. TIGER (_Arctia Caia_). 4. CREAM-SPOT TIGER (_Arctia Villica_). 5. OAK EGGAR (_Bombyx Quercus_). Male. 6. LAPPET (_Lasiocampa Quercifolia_). 7. KENTISH GLORY (_Endromis Versicolor_). Male. 8. EMPEROR MOTH (_Saturnia Pavonia_). Male. 9. BUFF TIP (_Phalera Bucephala_). PLATE XI 1. LARGE YELLOW UNDERWING (_Triphaena Pronuba_). 2. MARVEL-DU-JOUR (_Agriopis Aprilina_). 3. SMALL ANGLE SHADES (_Euplexia Lucipara_). 4. MOTHER SHIPTON (_Euclidia Mi_). 5. CLIFDEN NONPAREIL (_Catocala Fraxini_). 6. DARK CRIMSON UNDERWING (_Catocala Sponsa_). PLATE XII 1. HERALD (_Gonoptera Libatrix_). 2. SWALLOW-TAIL MOTH (_Uropteryx Sambucaria_). 3. BRIMSTONE MOTH (_Rumia Luteolata_). 4. SCALLOPED OAK (_Crocallis Elinguaria_). 5. BRINDLED BEAUTY (_Biston Hirtaria_). 6. WAVED UMBER (_Hemerophila Abruptaria_). 7. MAIDEN'S BLUSH (_Zonosoma Punctaria_). 8. MOTTLED UMBER (_Hybernia Defoliaria_). 9. TREBLE BAR (_Anaitis Plagiata_). [Illustration: Plate II.