xii SCIENCE FROM AN EASY CHAIR 



FIG. 



1 8. HEAD OF THE ANCESTRAL ELEPHANT PAL/EOMASTODON 



19. RESTORED MODEL OF THE SKULL AND LOWER JAW OF 



THE ANCESTRAL ELEPHANT PAL/EOMASTODON . 



20. HEAD OF THE EARLY ANCESTOR OF ELEPHANTS MERI- 



THERIUM AS IT APPEARED IN LIFE .... 



21. SKULL AND LOWER JAW OF A GOAT. . . .-,.-.;'.'. 



22. TEETH IN THE LOWER AND UPPER JAW OF THE GOAT 



23. SKULL OF A TYPICAL "RODENT" MAMMAL, THE COYPU 



RAT . . . . 



24. TEETH OF THE COYPU RAT . . . ... 



25. SKULL OF THE RAT-TOOTHED GOAT, MYOTRAGUS . . 



26. SKULL OF A CLOUDED TIGER 



27. TEETH OF THE LOWER AND UPPER JAW OF THE SAME 



CLOUDED TIGER'S SKULL 



28. FIGURE FROM A GROUP DRAWN ON A GREEK VASE 



29. GROUP OF WOMEN CLOTHED IN JACKET AND SKIRT 



WITH "WASP-LIKE" WAISTS 



30. FURTHER PORTION OF SAME GROUP AS FIG. 29 



31. Two KINDS OF ASCIDIANS OR "SEA-SQUIRTS" 



32. A DISSECTION OF AN ASCIDIA 



33. BRILLIANTLY COLOURED STAR-LIKE GROWTHS 



34. TADPOLE OF A FROG AND OF AN ASCIDIAN 



35. ANATOMY OF THE TADPOLES OF THE FROG AND OF THE 



ASCIDIAN . 



36. HEAD OF AN ASCIDIAN TADPOLE 



37. FIXATION OF THE ASCIDIAN TADPOLE BY ITS HEAD TO 



A ROCK .;.... 



38. Do., A LATER STAGE 



39. THE DEVELOPMENT OF THE FROG'S TADPOLE INTO A 



YOUNG FROG 



40. Two INDIVIDUALS OF THE SHIP'S BARNACLE . 



41. DEVELOPMENT OF THE BARNACLE FROM A FREE-SWIM- 



MING STAGE WITH Six ACTIVE LEGS 



