LIST OF ILLUSTRATIONS 



DIAGRAMS IN THE TEXT 



FIG. PAGH 



r. THE LITTLE GREEN TREE-FROG OR "RAINETTE" OF 



THE RIVIERA (HYLA ARBOREA) . . .51 



2. THE COMMON JELLY-FISH (AURELIA AURITA} . . 59 



3. THE FRESH-WATER JELLY-FISH (LIMNOCODIUM) . 60 



4. FOUR jELLY-FlSH-PRODUCING POLYPS ADHERING TO A 



ROOT-FIBRE OF A WATER-PLANT . . .61 



5. THE AFRICAN FRESH-WATER JELLY-FISH (LIMNOCNIDA) 62 



6. YOUNG STAGES OF THE COMMON EEL . . .72 



7. DRAWING OF AN IVORY CARVING OF A FEMALE 



HEAD . . . . . .80 



8. DRAWING OF A FULLY ROUNDED CARVING IN REIN- 



DEER'S ANTLER OF THE HEAD OF A NEIGHING 

 HORSE . . . . . . .80 



9. DRAWING OF A FLAT CARVING IN SHOULDER-BONE OF 



A HORSE'S HEAD, SHOWING TWISTED ROPE-BRIDLE 

 AND TRAPPINGS . . . .' . .81 



10. FORE-FOOT OF THE HORSE- ANCESTOR, HlPPARION . 84 



11. SKULLS OF HORSES AND OF DEER . . .86 



12. FORE AND HIND LEGS OF HORSE AND Ass . . 88 



13. DIAGRAM OF THE UNDER SURFACE OF THE FOOT IN 



THE DOG, TAPIR, AND HORSE . . . .89 



14. DRAWINGS OF THE LEAVES OF THE COMMON QUINQUE- 



FOLIATE VIRGINIAN CREEPER, OF THE ADHERENT 

 "AMPELOPSIS VEITCHII," AND OF THE POISON- VINE 

 (RHUS TOXICODENDRON) . . . -95 

 if 



