The Whence and the Whither of Man: A Brief History of His Origin and Development Through Conformity to Environment; Being the Morse Lectures of 1895W. Blackwood and Sons, 1896 - 312 pagine |
Dall'interno del libro
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Pagina v
... Amoeba : Its anatomy and physiology . - Development of the cell.— Hydra : The development of digestive and reproductive organs , and of tissues . - Forms intermediate between amoeba and hydra : Magosphæra , volvox . - Embryonic ...
... Amoeba : Its anatomy and physiology . - Development of the cell.— Hydra : The development of digestive and reproductive organs , and of tissues . - Forms intermediate between amoeba and hydra : Magosphæra , volvox . - Embryonic ...
Pagina xii
... amoeba , volvox , etc. - would not af this result . By a change in the form of our hist we have eliminated to a large extent the sources uncertainty and error . And the dominant function a group throws no little light on the details of ...
... amoeba , volvox , etc. - would not af this result . By a change in the form of our hist we have eliminated to a large extent the sources uncertainty and error . And the dominant function a group throws no little light on the details of ...
Pagina 32
... amoeba , a little fresh - water animal from bo too of an inch in diameter . Under the mi- croscope it looks like a little drop of mucilage . Its outer portion is clear and transparent , its inner more granular . In the inner portion is ...
... amoeba , a little fresh - water animal from bo too of an inch in diameter . Under the mi- croscope it looks like a little drop of mucilage . Its outer portion is clear and transparent , its inner more granular . In the inner portion is ...
Pagina 33
... amoeba has divided into two young ones , and there is no parent left to die , and death , except by violence , does not occur . this absence of death in other rather distant relatives of the amoeba , and probably in the amoeba itself ...
... amoeba has divided into two young ones , and there is no parent left to die , and death , except by violence , does not occur . this absence of death in other rather distant relatives of the amoeba , and probably in the amoeba itself ...
Pagina 34
... amoeba . has an exceedingly complex structure , but our micro- But is the amoeba really structureless ? scopes and technique are still too imperfect to show more than traces of it . Says Hertwig : " Protoplasm is not a single chemical ...
... amoeba . has an exceedingly complex structure , but our micro- But is the amoeba really structureless ? scopes and technique are still too imperfect to show more than traces of it . Says Hertwig : " Protoplasm is not a single chemical ...
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 - 1897 |
The Whence and the Whither of Man: A Brief History of His Origin and ... John Mason Tyler Visualizzazione completa - 1899 |
Parole e frasi comuni
amoeba amphibia anatomical ancestors animal kingdom annelid apes appear appetite attained become birds body brain cavity cells cerebrum Cheaper Edition church conformity to environment conscious Crown 8vo degeneration Demy 8vo digestive dominant ectoderm embryo evolution experience eyes Fcap fish functions ganglion gastrula germ-plasm give groups higher forms highest human hydra Illustrations increase individual insect instinct intelligence laws layer legs living locomotion lower mammals man's marsupial ment mental mind mode modified mollusks moral muscles muscular natural selection nerve nervous system never notochord nutriment organs oxygen parapodia perception perivisceral Portrait Post 8vo primitive probably Professor progress protoplasm protozoa purely reflex action reproductive reptiles result schematic worm Scotland segments selfish sense-organs sequence skeleton species stage structure struggle surface survive swimming theory tion true truth turbellaria University of Edinburgh variation velopment vertebral column vertebrates vols volvox WHITHER young