A genus of slender, transparent holothurians which have delicate calcareous anchors attached to the dermal plates.
An order of holothuriansmostly found in the deep sea.
A division of holothurians having an internal gill, or respiratory tree.
The Holothurians have not the hard, brittle surface of the other Echinoderms; on the contrary, their envelope is tough and leathery, capable of great contraction and dilatation.
To show the correspondence of the Holothurians with the typical formula of the whole class of Echinoderms, I will return to the Sea-Urchins, since they are more nearly allied with that Order than with any of the other groups.
Professor Semper has recently observed pinnotheres in holothurians at 18 the Philippine Isles, and Mons.
The true relation between these molluscs and the holothurians remains 38 to be discovered, and how the entoconchae become at last simple sexual tubes.
An order ofholothurians in which the internal respiratory organs are wanting; Ð called also Apoda or Apodes.
Defn: A genus of slender, transparent holothurians which have delicate calcareous anchors attached to the dermal plates.
Defn: A division of holothurians having an internal gill, or respiratory tree.
Among these the abyssal starfish and holothurians described by W.
The larval condition with ciliated bands is often spoken of as the pupa stage, and during it the larvae of Holothurians proper use their embryonic tube feet to creep about.
The Holothurianshave been most fully studied (Selenka, No.
The albuminous membrane just described for Holothuriansis also found in Asteroids (fig.
The highest of ourHolothurians in structure, is the Pentacta.
Let us compare, for instance, the worm-like Holothurians (Figs.
Several other Holothurians are frequently met with on our shores.
In other Holothurians this slipping is made impossible by the fixing of the tube-feet.
All the Holothurians or sea-cucumbers have in the skin calcereous bodies of different forms, usually thick and irregular, which make the skin tough and resistant.
Besides progressing by means of these suckers, the holothurians move, as do worms, by the extension and contraction of the body.
Holothurians are generally distributed through all seas, but are congregated in greatest numbers in Eastern seas.
Corals, sea-anemones, andholothurians are curiously like plants.
The holothurians have the singular power of ejecting the whole of their internal organs and of growing them again in case they escape the enemy they have endeavored to elude by this strange method.
All the Holothurians or sea-cucumbers have in the skin calcareous bodies of different forms, usually thick and irregular, which make the skin tough and resistant.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "holothurians" in a variety of sentences. We hope that you will now be able to make sentences using this word.
