xii SCIENCE FROM AN EASY CHAIR 



FIG. VAQE 



1 8. HEAD OF THE ANCESTRAL ELEPHANT PAL/EOMASTODON 145 



19. RESTORED MODEL OF THE SKULL AND LOWER JAW OF 



THE ANCESTRAL ELEPHANT PAL^OMASTODON . .146 



20. HEAD OF THE EARLY ANCESTOR OF ELEPHANTS MERI- 



THERIUM AS IT APPEARED IN LIFE . . . .147 



21. SKULL AND LOWER JAW OF A GOAT 150 



22. TEETH IN THE LOWER AND UPPER JAW OF THE GOAT 151 



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



RAT 152 



24. TEETH OF THE COYPU RAT 153 



25. SKULL OF THE RAT-TOOTHED GOAT, MYOTRAGUS . .155 



26. SKULL OF A CLOUDED TIGER 160 



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



CLOUDED TIGER'S SKULL 161 



28. FIGURE FROM A GROUP DRAWN ON A GREEK VASE . 235 



29. GROUP OF WOMEN CLOTHED IN JACKET AND SKIRT 



WITH "WASP-LIKE" WAISTS 250 



30. FURTHER PORTION OF SAME GROUP AS FIG. 29 . .251 



31. Two KINDS OF ASCIDIANS OR "SEA-SQUIRTS" . 277 



32. A DISSECTION OF AN ASCIDIA , 278 



33. BRILLIANTLY COLOURED STAR-LIKE GROWTHS . .281 



34. TADPOLE OF A FROG AND OF AN ASCIDIAN . . . 283 



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



ASCIDIAN 285 



36. HEAD OF AN ASCIDIAN TADPOLE 287 



37. FIXATION OF THE ASCIDIAN TADPOLE BY ITS HEAD TO 



A ROCK 288 



38. Do., A LATER STAGE 289 



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



YOUNG FROG 291 



40. Two INDIVIDUALS OF THE SHIP'S BARNACLE . . . 294 



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



MING STAGE WITH Six ACTIVE LEGS . . . .295 



