A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign |
Dentro del libro
Resultados 1-5 de 18
Página
With regard to the few species which I have not had an opportunity of personally examining , I have availed myself of the existence of published drawings whenever they were to be found , and under the description of these species have ...
With regard to the few species which I have not had an opportunity of personally examining , I have availed myself of the existence of published drawings whenever they were to be found , and under the description of these species have ...
Página
... but as they all possess a real existence , and are truly distinct forms , it was thought necessary , especially in so small a group as the present , to bring them definitely before the student , even though the future discovery of ...
... but as they all possess a real existence , and are truly distinct forms , it was thought necessary , especially in so small a group as the present , to bring them definitely before the student , even though the future discovery of ...
Página 4
... but of all those flexible and horny productions whose plant - like form was at such variance with every previously conceived notion of animal existence . It was not yet suspected that among these curious " zoophytes , " so like one ...
... but of all those flexible and horny productions whose plant - like form was at such variance with every previously conceived notion of animal existence . It was not yet suspected that among these curious " zoophytes , " so like one ...
Página 15
The fact of cellulose being a constituent of the test of the Tunicata , induced me to look for it in the ectocyst of the Polyzoa , but I have never succeeded in obtaining satisfactory evidence of its existence in any of the tissues of ...
The fact of cellulose being a constituent of the test of the Tunicata , induced me to look for it in the ectocyst of the Polyzoa , but I have never succeeded in obtaining satisfactory evidence of its existence in any of the tissues of ...
Página 23
Meyen asserts the existence of an aperture in the vicinity of the anus , through which , he tells us , he has witnessed the escape of an egg in Alcyonella ; * and Siebold admits the correctness of this statement , and considers the ...
Meyen asserts the existence of an aperture in the vicinity of the anus , through which , he tells us , he has witnessed the escape of an egg in Alcyonella ; * and Siebold admits the correctness of this statement , and considers the ...
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 Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
action adherent admit Alcyonella alimentary canal Allman already anatomy animal appearance Ascidian attached become Beneden bodies branches branchial British 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 Hancock 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 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
Información bibliográfica
| Título | A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and Foreign Volumen18 de ¬The Ray Society |
| Autor | George James Allman |
| Editor | Ray Society, 1856 |
| Procedencia del original | la Biblioteca Estatal de Baviera |
| Digitalizado | 13 Nov. 2009 |
| Largo | 119 páginas |
| Exportar cita | BiBTeX EndNote RefMan |