The Shipley Collection of Scientific Papers, Volumen441892 |
Dentro del libro
Resultados 1-5 de 17
Página
... crypts , from which narrow canals start ; these debouch into wide lacunae , from which the system of ramifying canals starts . The skeleton of the cortex consits of three distinct parts : 1. one or more layers of amphiasters , close ...
... crypts , from which narrow canals start ; these debouch into wide lacunae , from which the system of ramifying canals starts . The skeleton of the cortex consits of three distinct parts : 1. one or more layers of amphiasters , close ...
Página 3
... crypts . The system of ramifying incurrent canals , either starts from here or we have first a few canals which start from the crypts , and after a while unite again in lacunae . Such seems to be the case in large specimens and we see ...
... crypts . The system of ramifying incurrent canals , either starts from here or we have first a few canals which start from the crypts , and after a while unite again in lacunae . Such seems to be the case in large specimens and we see ...
Página 10
... crypts can be distin- guished . From these crypts rather wide canals start which become narrower and ramify , till they end in distinct prosodi . The aphodi are shorter and wider than the prosodi ; the flagellated chambers are ellipsoid ...
... crypts can be distin- guished . From these crypts rather wide canals start which become narrower and ramify , till they end in distinct prosodi . The aphodi are shorter and wider than the prosodi ; the flagellated chambers are ellipsoid ...
Página 12
... crypts small ; from here start the incurrent canals , which ramify soon and ter- minate into narrow prosodi . Aphodi and prosodi have about the same size . The skeleton of the cortex is mainly formed by centrotylote microxeas . The ...
... crypts small ; from here start the incurrent canals , which ramify soon and ter- minate into narrow prosodi . Aphodi and prosodi have about the same size . The skeleton of the cortex is mainly formed by centrotylote microxeas . The ...
Página 13
... crypts , from which narrow canals start ; these debouch into wide lacunae , from which the system of ramifying canals starts . The skeleton of the cortex consits of three distinct parts : 1. one or more layers of amphiasters , close ...
... crypts , from which narrow canals start ; these debouch into wide lacunae , from which the system of ramifying canals starts . The skeleton of the cortex consits of three distinct parts : 1. one or more layers of amphiasters , close ...
Términos y frases comunes
Actines alcohol amoeboid anatriaenes Ancorina aphodi Aplysinidae appear Ascetta Barrois basal Bowerbank Canäle canals and lacunae canalsystem carmine cells cerebrum choanocytes chones ciliated chambers clathrus coast collar-cells collars colour compressum cortex crypts Dendy dermal diameter dichotriaenes dredged ectoderm excurrent canals exhalant canals flagella flagellated flagellated chambers flagellum Fristedt Gaspé gastral gastrula Geisselkammer granular granules Gulf of St Haeckel Halichondria Halichondria panicea HARTN ingestion irregular J. F. Whiteaves Kragenzellen Lawrence layer Lendenfeld length Leucandra aspera main fibres Marenzeller mesodermal Metschnikoff Microxea Naples nucleus numerous osculum oxeas Oxeote spicule Oxyaster paraffin parenchyme particles Plate Plattenepithel pores Porifera proct radial ramifying raphanus Rhabdome Schmidt Schulze sections seen sharply pointed Sir William Dawson skeleton slender Soll Sollas Sollas's membrane species specimens spherasters spherules spicules sponge Spongelia Spongidae Spongien spongin stained Stelletta stomas stout Strongyle subdermal cavities surface Sycandra Sycon thickness tissue tube tylostyli Velinea Vosmaer Zellen Zool
Pasajes populares
Página 38 - Fauna und Flora des Golfes von Neapel und der angrenzenden Meeresabschnitte herausgegeben von der Zoologischen Station zu Neapel.
Página 19 - Studies on the Comparative Anatomy of Sponges. III. On the Anatomy of Grantia labyrinthica, CARTER, and the so-called family Teichonidae. Quart. Journ. Micros. Sci. (ns) Vol. 32, pp. 1-39. (3) (1892). Preliminary Account of Synute pulchella, a new Genus and Species of Calcareous Sponges.
Página 143 - Vieill. We propose, therefore, that § 13. A new specific name must be given to a species when its old name has been adopted for a genus which includes that species.
Página 19 - The author now replies to Lendenfeld more fully , first of all reproaching the German author his generalizing from one species to a whole group. A description is then given of the condition in Grantia labyriuthica. »A11 the collars and flagella of the collared cells are retracted in my preparations. This is not to be regarded as a purely artificial and post-mortem condition , but probably rather as a periodically recurring phase in the life history of the cells In this retracted condition the collared...