A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28 |
Dentro del libro
Resultados 1-5 de 73
Página
The following work contains the result of many years ' careful study of the fresh -
water representatives of a group of animals which , in all their relations , are full of
interest for the philosophic naturalist . The highly curious modification of the ...
The following work contains the result of many years ' careful study of the fresh -
water representatives of a group of animals which , in all their relations , are full of
interest for the philosophic naturalist . The highly curious modification of the ...
Página 1
Among the most beautiful and interesting forms of invertebrate animals are those
strange phytoidal productions which , long confounded with the polypes , were at
last , by the nearly simultaneous investigations of several naturalists ...
Among the most beautiful and interesting forms of invertebrate animals are those
strange phytoidal productions which , long confounded with the polypes , were at
last , by the nearly simultaneous investigations of several naturalists ...
Página 2
It was in the last year of the sixteenth century that the Neapolitan , Ferante
Imperato , asserted that corals possessed the nature of animals . * The
announcement had passed away nearly unheeded ; and if at the end of more
than a hundred ...
It was in the last year of the sixteenth century that the Neapolitan , Ferante
Imperato , asserted that corals possessed the nature of animals . * The
announcement had passed away nearly unheeded ; and if at the end of more
than a hundred ...
Página 3
It was in the month of April , 1741 , that Trembley , while engaged in his
researches on Hydra , discovered , in the fresh waters near the Hague , an
animal form then quite new to science . It consisted of a lobed jelly - like mass ,
from which ...
It was in the month of April , 1741 , that Trembley , while engaged in his
researches on Hydra , discovered , in the fresh waters near the Hague , an
animal form then quite new to science . It consisted of a lobed jelly - like mass ,
from which ...
Página 4
the same field , and his researches , which were thus entirely independent , led
him to the conclusion , “ that these apparent plants were ramified animals in their
proper skins or cases . ” In 1755 , he published his famous ' Essay on the Natural
...
the same field , and his researches , which were thus entirely independent , led
him to the conclusion , “ that these apparent plants were ramified animals in their
proper skins or cases . ” In 1755 , he published his famous ' Essay on the Natural
...
Comentarios de la gente - Escribir un comentario
No encontramos ningún comentario en los lugares habituales.
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British cænæcium cavity cell character cilia closely complete condition connected consists constitutes contained continuous corresponding Cristatella described detected disc distinct Dumortier ectocyst edit endocyst entire epistome examined existence extending external extremity fibres fluid Fredericella fresh-water Polyzoa genera genus Gervais gives Hist important internal latter layer Leidy lophophore Lophopus margin mass Mém membrane memoir minute mouth muscles Natural naturalists nearly observed occur organ orifice Original figures Paludicella passes Plumatella Plumatella repens Polype polypide Polyzoon portion present published relations repens represented resemblance retraction retractor Rösel seen separated sheath side space species specimens statoblasts stomach stones structure surface surrounding tentacula transparent transverse Trembley true tubes Tubularia tunic Tunicata walls whole young