[GEMS AND PRECIOUS STONES]

[PRONOUNCING DICTIONARY OF SCIENTIFIC TERMS ABOUT THE EARTH]

NUMEROUS ILLUSTRATIONS, CHARTS AND MAPS

Life Ages of the EarthPictorial Diagram Showing the Corresponding Forms of Animal and Plant Life, and Rock Strata in theEarth’s Crust.Rocks and Strata to which they belong
Cenozoic, or Recent Life. Age of Mammals.Alluvium, Gravel, Mud, Sand, Clay, Marl, Limestone.Ceno-
zoic
Mesozoic, or Middle Life. Age of Reptiles.Chalk, Gault, Green Sand, Oolite, Clays and Limestone, China Clay, Shales, Cement, Sandstone, Pervian.Meso-
zoic
Paleozoic, or Old Life. Age of Invertebrates. Age of Fishes. Age of Acrogens.Coal Massives, Upper and Lower. Millstone, Grit, Mountain, Limestone, Old Red Sand Stone, Iron Ore, Gypsum, Gas,Lead, Zinc, Phosphate, Marble, Sandstone, Shales, Copper.Paleo-
zoic
Proterozoic, or Earlier Life. Earliest Forms of Life.Copper, Silver, Lake Superior Iron Ores, and many Metals. Granite, Schists. Emery, Gems, and Building Stone.Protero-
zoic
1. Sivatherium, (siv-a-thē´-ri-um). 2. Mastodon, (mas´tō-don). 3. Elephas, (el´e-fas). 4. Palæotherium,(pā-lē-ō-thē´-ri-um).5. Pterodactyl, (ter-ō-dak´tīl). 6. Ammonites, (am´mo-nitz). 7. Plesiosaurus, (plē-zi-ō-saw´rus). 8.Ichthyosaurus, (ik-thi-ō-saw´rus).9. Carboniferous, (kär’bŏn-ĭf´ēr-ŭs) fern. 10. Lepidodendron,(lep-ī-dō-den´dron). 11. Calamites, (kal´a-mits orkal´a-mī´tēz). 12. Labyrinthodon,(lab-i-rin´thō-don). 13. Acanthodus, (a-kan-thō´dus). 14. Diplacanthus, (dip-la-kan´thus).15. Lepidosteus, (lep-i-dos´te-us). 16. Climatius, (clī-măi´tē-us). 17. Zosterites, (zos-ter-i´tēz).18. Goniatites, (gō-ni-a-tī´tēz).19. Strophomena, (strō-phŏm´ĕ-na).

[Large illustration] (465 kB)

BOOK OF THE EARTH