A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
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Página 23
... existence of a system of tubes in the substance of the endocyst , which may afford the necessary channels of communication , or it may be that it is in simple transudation through the walls of the alimentary canal that we are to seek ...
... existence of a system of tubes in the substance of the endocyst , which may afford the necessary channels of communication , or it may be that it is in simple transudation through the walls of the alimentary canal that we are to seek ...
Página 31
... existence of striated fibre in the Polyzoa was first noticed by Milne - Edwards , who detected it in Eschara ; * and Mr. Busk has since described and figured the same form of tissue in Anguinaria spatulata , Notamia bursaria , and other ...
... existence of striated fibre in the Polyzoa was first noticed by Milne - Edwards , who detected it in Eschara ; * and Mr. Busk has since described and figured the same form of tissue in Anguinaria spatulata , Notamia bursaria , and other ...
Página 68
... existence of male and female individuals existing separately in Tendra zostericola , a marine Polyzoon , § and M. Van Beneden now makes a similar state- ment with respect to Alcyonella . || He describes also a circulation of fluid in ...
... existence of male and female individuals existing separately in Tendra zostericola , a marine Polyzoon , § and M. Van Beneden now makes a similar state- ment with respect to Alcyonella . || He describes also a circulation of fluid in ...
Otras ediciones - Ver todas
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy longitudinal lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes