The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895C. Scribner's Sons, 1897 - 312 pagine |
Dall'interno del libro
Risultati 1-5 di 66
Pagina v
... VERTEBRATES : SKELETON AND HEAD . 55 Worms and the development of organs . - Mollusks : The external protec- tive skeleton leads to degeneration or stagnation ... vertebrate . CHAPTER IV VERTEBRATES : BACKBONE AND BRAIN PAGE . 81.
... VERTEBRATES : SKELETON AND HEAD . 55 Worms and the development of organs . - Mollusks : The external protec- tive skeleton leads to degeneration or stagnation ... vertebrate . CHAPTER IV VERTEBRATES : BACKBONE AND BRAIN PAGE . 81.
Pagina vi
... VERTEBRATES : BACKBONE AND BRAIN PAGE . 81 The advance of vertebrates from fish through amphibia and reptiles to mammals . - The development of skeleton , appendages , circulatory and respiratory systems , and brain . —Mammals : The ...
... VERTEBRATES : BACKBONE AND BRAIN PAGE . 81 The advance of vertebrates from fish through amphibia and reptiles to mammals . - The development of skeleton , appendages , circulatory and respiratory systems , and brain . —Mammals : The ...
Pagina vii
... vertebrate . - As a mammal . — As a social being . — As a personal and moral being . — The con- flict between the higher and the lower in man . - As a religious being . — As hero . He has not yet ... VERTEBRATES: BACKBONE AND BRAIN PAGE.
... vertebrate . - As a mammal . — As a social being . — As a personal and moral being . — The con- flict between the higher and the lower in man . - As a religious being . — As hero . He has not yet ... VERTEBRATES: BACKBONE AND BRAIN PAGE.
Pagina 20
... vertebrates . We see a bat flying through the air . We mistake it for a bird . But a glance at it shows that it is a mammal . It is covered with hair . It has fore and hind legs . Its wings are membranes stretched between the fingers ...
... vertebrates . We see a bat flying through the air . We mistake it for a bird . But a glance at it shows that it is a mammal . It is covered with hair . It has fore and hind legs . Its wings are membranes stretched between the fingers ...
Pagina 25
... speaking , but a step ; it is a long march from the egg to the earthworm ; and the vertebrate embryo makes a vast journey . But embryonic life is and must remain short . Hence in higher forms the THE PROBLEM : THE MODE OF ITS SOLUTION 25.
... speaking , but a step ; it is a long march from the egg to the earthworm ; and the vertebrate embryo makes a vast journey . But embryonic life is and must remain short . Hence in higher forms the THE PROBLEM : THE MODE OF ITS SOLUTION 25.
Altre edizioni - Visualizza tutto
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1896 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
advance amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite archenteron attained become better birds body brain cells conformity to environment conscious degeneration dominant ectoderm embryo embryology existence experience eyes fish functions future ganglion gastrula gills give groups higher animals higher forms highest human hydra important increase individual insect instinct intelligence jaws knowledge laws layer legs living locomotion lower mammals man's marsupial membrane ment mental mind mode modified mollusks moral mouth muscles muscular muscular system mutability of species natural selection nephridia nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral cavity possible primitive probably progress protoplasm protozoa purely race reflex action reptiles result schematic worm segments selfish sense-organs sequence shell skeleton species spermatozoa stage structure struggle surface survive swimming theory of evolution tion tissues true truth turbellaria unselfishness variation velopment vertebrates volvox young