A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
Dentro del libro
Resultados 1-3 de 59
Página 14
3, b"). The part of the ectocyst to which the ribs are attached is carried inwards
during extreme retraction of the polypide. These ribs I look upon as the true
homologue of the seiae which crown the cell in Bowerban/eia and other
ctenostomatous ...
3, b"). The part of the ectocyst to which the ribs are attached is carried inwards
during extreme retraction of the polypide. These ribs I look upon as the true
homologue of the seiae which crown the cell in Bowerban/eia and other
ctenostomatous ...
Página 32
In Alcyonella and Palurlicella, I have succeeded in making a careful examination
of the generative system. In each of these both ovary and testis are found in the
same cell.* During the months of July and August there may frequently be seen ...
In Alcyonella and Palurlicella, I have succeeded in making a careful examination
of the generative system. In each of these both ovary and testis are found in the
same cell.* During the months of July and August there may frequently be seen ...
Página 36
fleshy lining, continuous with the endocyst; this internal tunic has numerous large
, round, nucleated cells distributed through its substance, and internally it
presents an uneven surface. The two tunics of the gemma are to become the
ectocyst ...
fleshy lining, continuous with the endocyst; this internal tunic has numerous large
, round, nucleated cells distributed through its substance, and internally it
presents an uneven surface. The two tunics of the gemma are to become the
ectocyst ...
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 ..., Volumen28 George James Allman Vista de fragmentos - 1856 |
Términos y frases comunes
adherent Alcyonella alimentary canal Allman anatomical animal annulus Ascidian attached become Beneden branches branchial sac Brit Brux campanulata cavity cell cilia coenoecium confined crescentic Cristatella mucedo d’eau douce described disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres fig filament filled find first floating fluid Flustrae Fredericella fresh-water Polyzoa funiculus ganglion gemma genera genus Gervais Hancock hippocrepian Hist homologous intestine invaginated l’Acad Lamarck layer Leidy Lop/zopus lophophore Lophopus magnified margin Mém membrane memoir Meyen Miiller mouth Naisa naturalists observed oesophagus orifice Original figures ovary ovum Paludicella peculiar Pedicellina perigastric space Plumatella repens Polype Polype a Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rosel seen septa side sinus species specific specimens statoblasts stomach structure sultana surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Ray Society Publications, Publications Volumen28 de Ray society ... [Publications |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | Universidad de Michigan |
| Digitalizado | 13 Feb. 2012 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |