BOOK IV

.

[Illustration: Illustration from NO. 4.--THE REIGN OF THE PINE.]

_CONTENTS._

I. Earth Building. II. The First Continent. III. The Age of Crabs and Corals. IV. The Pines and the Reptiles. V. The Palm and the Man. VI. The Starry Heavens. VII. A Fragment of the Milky Way. VIII. Plan and Progression. IX. The King of the Day. X. The Queen of the Night. XI. Vanished Fauna. XII. A Mountain of Fossils. XIII. Written in Rocks. XIV. Footprints in the Sand. XV. The Winter of the World. XVI. Fossil Crabs. XVII. Stone-Fish and Stone-Lilies. XVIII. Long-Buried Reptiles. XIX. Birds of other Ages. XX. The Early Mammals. XXI. Very Old Families. XXII. The Marvel in Mail. XXIII. The Wonderful Builder. XXIV. An Opossum Hunt. XXV. A New Fashion of Pappoose. XXVI. Low Down in the Scale. XXVII. With a Duck’s Bill. XXVIII. In Australian Rivers. XXIX. A Walk Among Wonder Trees. XXX. Still in the Wonder Grove. XXXI. A Noisy Family. XXXII. The Frogs’ Cousin. XXXIII. Salamanders. XXXIV. A Citizen of the Marsh Lands. XXXV. A Stranger from Mexico. XXXVI. Some Merry Little Friends. XXXVII. The Ancient Monster. XXXVIII. El Lagarto. XXXIX. Wiser than any Beast of the Field. XL. Our Common Enemy. XLI. With a House on His Back. XLII. A Real Live Mermaid. XLIII. Great Whales Also. XLIV. A Seal-Skin Cloak. XLV. Flying Mammals. XLVI. Order out of Confusion. XLVII. Nibblers. XLVIII. Gnawers. XLIX. The Thick Skins. L. The Ruminants.

## BOOK IV . 370 pages. 28 illustrations. 60 cents.

RICKS’ NATURAL HISTORY OBJECT LESSONS.

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