A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign, Tema 28Ray Society, 1856 - 119 páginas |
Dentro del libro
Resultados 1-3 de 31
Página 90
... latter , the largest specimens I have seen , measuring about three inches in length , and an inch in thickness at the thickest part . The tubes are closely adherent to one another until within a short distance of their terminations ...
... latter , the largest specimens I have seen , measuring about three inches in length , and an inch in thickness at the thickest part . The tubes are closely adherent to one another until within a short distance of their terminations ...
Página 99
... latter form that the transverse septa are most apparent , indeed , I have met with specimens of the free variation of this species in which well - formed septa occurred between almost every cell , while the elongated claviform figure of ...
... latter form that the transverse septa are most apparent , indeed , I have met with specimens of the free variation of this species in which well - formed septa occurred between almost every cell , while the elongated claviform figure of ...
Página 102
... latter line . from a quarter of an inch to two inches square . " Leidy . and it resembles Frequently it is Patches are found All we know of the present species is from the above short description by Dr. Leidy . It seems to approach ...
... latter line . from a quarter of an inch to two inches square . " Leidy . and it resembles Frequently it is Patches are found All we know of the present species is from the above short description by Dr. Leidy . It seems to approach ...
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