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xvi
LIST OF ILLUSTRATIONS
FIG.
PAGE
| 20. | Recognition of Œdicnemus vermiculatus and Œ. senegalensis (from Seebohm's Charadriadæ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
223 |
| 21. | Recognition of Cursorius chalcopterus and C. gallicus (from Seebohm's Charadriadæ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
224 |
| 22. | Recognition of Scolopax megala and S. stenura (from Seebohm's Charadriadæ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
225 |
| 23. | Methoa psidii and Leptalis orise . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
241 |
| 24. | Opthalmis licea and Artaxa simulans (from the Official Narrative of the Voyage of the Challenger) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
247 |
| 25. | Wings of Ituna Ilione and Thyridia megisto (from Proceedings 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 Flowers in Relation to Insects) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
311 |
| 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 Palæobotany) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
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 niger) . . . . . . . . . . . . . . . . . . . . . . . . . . . . |
454 |
