XVI 
LIST OF ILLUSTRATIONS 
FIG. PAGE 
20. Recognition of QSdicnemus vermiculatus and (E. senega- 
lensis (from Seebohm’s Characlriadce) . . . 223 
21. Recognition of Cursorius chalcopterus and C. gallicus 
(from Seebohru’s Charadriadce) .... 224 
22. Recognition of Scolopax megala and S. stenura (from 
Seebohm’s Charadriadce) ..... 225 
23. Methona psidii and Leptalis orise .... 241 
24. Opthalmis lincea and Artaxa simulans (from the Official 
Narrative of the Voyage of the Challenger) . . .247 
25. Wings of Ituna Ilione and Thyridia megisto (from Pro¬ 
ceedings of the Entomological Society) .... 251 
26. Mygnimia aviculus and Coloborhombus fasciatipennis . 259 
27. Mimicking Insects from the Philippines (from Semper’s 
Animal Life) ....... 260 
28. Malva sylvestris and M. rotundifolia (from Lubbock’s 
British Wild Flowers in Relation to Insects) . . .311 
29. Lythrum salicaria, three forms of (from Lubbock’s British 
Wild Floivers in Relation to Insects) .... 312 
30. Orchis pyramidalis (from Darwin’s Fertilisation of Orchids) . 314 
31. Humming-bird fertilising Marcgravia nepenthoides . 320 
32. Diagram of mean height of Land and depth of Oceans 345 
33. Geological development of the Horse tribe (from Huxley’s 
American Addresses) ...... 388 
34. Diagram illustrating the Geological Distribution of 
Plants (from Ward’s Sketch of Paleobotany) . . . 402 
35. Transformation of Artemia salina to A. Milhausenii 
(from Semper’s Animal Life) ..... 426 
36. Branchipus stagnalis and Artemia salina (from Semper’s 
Animal Life) ....... 427 
37. Chimpanzee (Troglodytes nigf.r) .... 454 
