A number of vigorous Echiniwere thoroughly shaved with a scalpel over the whole half of one hemisphere, i.
The result of this experiment was first of all to show us that the Echini invariably chose the unmutilated feet-rows wherewith to right themselves.
The only other motion exhibited by Echinithus situated is that of a slow rolling movement, now to one side and now to another, according to the prepotency of the pull exerted by this or that row of ambulacral feet.
When the tide is low you can wade around in the now peaceful pools, and find the echini in the sheltered crevices, clinging to the bottom, or the perpendicular sides of the rocks, but always under water.
The best time to seek echini is at low tide, and the best places are those where the shore line is composed of rough rocks, scooped out here and there into shallow pools.
Defn: A division of Echiniwhich includes the circular, or regular, sea urchins.
Those of starfishes have two movable jaws, or blades, and are usually nearly, or quite, sessile; those of echini usually have three jaws and a pedicel.
A division of Echini which includes the circular, or regular, sea urchins.
The Echinior Sea-urchins, which I believe ought to be ranged with the Kracken, also pass through a metamorphosis.
The Echini have an anus, pretty like that of the Holothuriæ, and also similar feet, which are protruded in a similar manner through apertures in the shell.
The Cystidae are truly prophetic of the Echini proper.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "echini" in a variety of sentences. We hope that you will now be able to make sentences using this word.
