Animals of the past : an account of some of the creatures of the ancient world

Frederic A. (Frederic Augustus) Lucas

Description

NIMALS OF .> y^^' ^w Phororhacos, a Patagoman Giant of the Miocene. ANIMALS OF THE PAST Digitized by the Internet Archive in 2007 with funding from IVIicrosoft Corporation h\tp://www.archive.org/details/animalsofpastaccOOIucauoft a.\-^J2jrf^^ PASTANIMALS OF THE An Account Some theof of Creatures the Ancient Worldof A'o- FREDERIC a: 1.UCAS Director, American Museum of Natural History MUSEUM OF NATURAL HISTORYAMERICAN Series No. 4Handbook AND REVISED EDITIONSIXTH New York, TABLE OF CONTENTS AND EXPLANATORYINTRODUCTORY Use of scientific names, ix; estimates of age of earth, x; restora- tions Mr. Knight, x; Works of Reference, xi.by AND HOW THEY ARE FORMEDI. FOSSILS, Definition of fossils, fossils may be indications of animals or1; and impressions, why fossils are not moreplants, 1; casts 2; abundant, ; conditions under which fossils are formed, 4 ; enemies3 of bones, Dinosaurs engulfed in quicksand, formation of4; 5; leaves,fossils, petrified bodies frauds, 6; natural casts, 7; 8;6; incrustations, destruction of fossils, references, 10.9; 9; II. THE EARLIESTKNOWN VERTEBRATES Methods of interrogating Nature, 11; thickness of sedimentary rocks, earliest traces of life, early vertebrates difficult of12; 13; preservation, 13; armored fishes, 14; abundance of early fishes, destruction of fish, carboniferous sharks, 19; known15; 16; 21.mostly from teeth and spines, 19; references, III.

Sujets

• Paleontology

Informations

• Publié par: les_archives_du_savoir
• Nombre de lectures: 8
• Langue: English
• Poids de l'ouvrage: 11 Mo

Extrait

NIMALS OF.>
y^^'
^wPhororhacos, a Patagoman Giant of the Miocene.ANIMALS OF THE PASTDigitized by the Internet Archive
in 2007 with funding from
IVIicrosoft Corporation
h\tp://www.archive.org/details/animalsofpastaccOOIucauofta.\-^J2jrf^^
PASTANIMALS OF THE
An Account Some theof of
Creatures the Ancient Worldof
A'o-
FREDERIC a: 1.UCAS
Director, American Museum of Natural History
MUSEUM OF NATURAL HISTORYAMERICAN
Series No. 4Handbook
AND REVISED EDITIONSIXTH
New York,