i. Beetle (Lithinus nigrocristatus) on lichen. 2. Stick 

 Insect (Acrophylla chronos). 3. Caterpillar of Shark 

 Moth (Eucalirnia artemisiae). 4. Red-winged Grass- 

 hopper (Oedipoda fasciata). 5. Locust (Cycloptera 

 speculata). 6. Orange-tip Butterfly (Euchloe carda- 

 mines). 7. Homopterous Insect [Umbonia spinosa). 

 8. Hoinopterous Insect (Fyrops tenebrosus). o. Oak 

 Lappet Moth (Gastropacha quercifolia). 10. Caterpillars 



of Moth (Hypsa monycha) imitating frtfit. 11. Homo- 

 pterous Insect (Flatoidcs dealbatus) resembling lichen. 

 12. Moth (Antomeris io), owl-like appearance as pro- 

 tection, tv Crimson Underwing Moth (Catocala nupta). 

 14. Leaf Butterfly (Kallima inachis). 15. Tree Frog (Hyla 

 arborea). 16. Caterpillar of a Thorn Moth (Ennomos 

 tiliaria) resembling a twig. 17. Ptarmigan and Weasel in 

 summer, and, 18, in winter. Drawn by J. f. Campbell 



PROTECTIVE COLOURING IN ANIMAL. BIRD. .AND INSECT LIFE 



To face page 6362 



