The males are distinguished by the large claspers along the inner edge of the pelvic fin.
In the male, but not in the female, the pelvic fins are united behind the cloaca, and there are two stiff grooved copulatory organs, the claspers (cl.
These claspers form the readiest means of determining the sex of a specimen before dissection.
Caterpillars of this family of moths, with very few exceptions, have only two pairs of claspers or prolegs; when there are more than four claspers, the extra ones are only rudimentary and therefore useless.
When a hold is secured with the true legs the body is arched and the claspers are brought up almost to the point held by the true legs; the latter are then thrust forward and the measuring business proceeds as before.
In theclaspers it becomes fecundated and undergoes its further development.
The ovum invested by a delicate capsule becomes freed by the rupture of the gonophore, and is then taken up by the remarkable claspers characteristic of the genus.
The males of Plagiostomous fishes (sharks, rays) and of Chimaeroid fishes are provided with claspers which serve to retain the female, like the various structures possessed by many of the lower animals.
An English naturalist insists that the claspers of certain male animals could not have been developed through the choice of the female!
But a fair growth of ivy on sound walls that afford no entrance beyond the superficial attachment of the claspers is, without any exception whatever, beneficial.
This stage is accompanied with a plentiful production of the claspers or modified roots by means of which the plant becomes attached and obtains support.
This done, it fixes the little hooks of the claspers firmly in its carpet bed, and then proceeds with a highly interesting movement.
These limbs which we have been calling claspers are known by several other names.
The segments contract and relax alternately and in succession, thus sending a series of wave-like motions along the body, and urging onward the front segments while the claspers keep the hinder portion firmly fixed.
The number of limbs varies from ten to fourteen, but where the claspers exceed two pairs, the additional two or four, as the case may be, are seldom used in walking.
What a wonderful power is exhibited in the grasp of the claspers and the tension of the muscles, enabling the caterpillar to fix itself and retain its position for so long a time!
Their bodies also taper to a point behind, and the last pair of claspers are wanting, so that they have only fourteen walking appendages.
Its spines also are black, and its claspers brown.
A little coaguline applied to the claspers will fix them very firmly on these twigs or leaves, which are then secured in the cabinet by means of one or two small pins.
Some of them further imitate the Geometrae in their position of rest, holding on by their claspers only, with body straightened out at an angle with the leaf or twig on which they support themselves.
Its mouth and jaws have quite disappeared, and the legs and claspers are apparently gone.
When found, these larvae should always be removed on a piece of the twig to which they are attached, for they hold on so firmly by their claspers that it is sometimes almost impossible to remove them from their hold without injury.
As a shallow-water form, with certain differences in the claspers and in the tail, Chimaera colliei is sometimes placed in a distinct genus, Hydrolagus.
Caterpillar, green, with yellowish dots, lines on the back, and edging to first ring of the body; the analclaspers are marked above with red.
Broad antennae, slenderer abdomen, and the claspers used in holding the female in mating, smaller wings and more brilliant markings are the signs by which the male can be told in most cases.
I have noticed that among the moths bearing large, outstanding antennae, the claspers are less prominent than with those having small, inconspicuous head parts.
The colour darkened hourly, the feet and claspers seemed to draw inside, and one morning on going to look there were some greenish brown pupae.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "claspers" in a variety of sentences. We hope that you will now be able to make sentences using this word.
