For of Animals viviparous such as live long, go long with young, and attain but slowly to their maturity and stature.
Larvae as arranged in the body of two species of viviparous flies.
It is worth observing whether the female Aphides in their natural state, I mean those of the summer or viviparous broods, have intercourse with the male.
On squirrels, Audubon and Bachman, 'Viviparous Quadrupeds of N.
A similar mode of production takes place in vipers and some other reptiles, which have hence been denominated ovo-viviparous, to distinguish them from the true viviparous animals--the class Mammalia.
And in this respect it differs from the fetus of viviparous animals.
The nutriment supplied by the female parent in viviparousanimals to their young progeny may be divided into three kinds, corresponding with the age of the new creature.
One of the most notable of these is the family of viviparous surf-fishes (Embiotocidae), of which numerous species abound on the coasts of California and Japan, but which enter neither the waters of the frigid nor of the torrid zone.
In general the brightest colors are not found among viviparous fishes.
In the viviparous sharks, which constitute the majority of the species of living sharks, the young are large at birth and prepared to take care of themselves.
He was also the first to investigate the structure of the singular viviparous surf-fishes of California, the names Embiotoca and Holconotus applied to these fishes being chosen by him.
In the case of viviparous fishes actual copulation takes place and there is usually a modification of some organ to effect transfer of the sperm-cells.
Both the viviparous grass and the polygonum are found in England.
The seasonal histological changes occurring in the ovary, corpus luteum, and testis of the viviparous lizard, Xantusia vigilis.
In the viviparoustype the first stages are imperfectly known, but it appears that the blastopore vanishes before the appearance of the mouth.
The viviparous larva of Amphiura squamata does not differ very greatly from the larvae with very imperfect arms.
It is a viviparous form, and the young after birth pass out into the water.
A very superficial examination suffices to shew that the free-swimming forms agree very much more closely amongst themselves than the viviparous forms.
In any comparison of the various types of Echinoderm larvae it is necessary to distinguish between the free-swimming forms, and the viviparous or fixed forms.
We are therefore justified in concluding that in the viviparous forms the development is abbreviated and modified.
In the embryo, produced by the viviparous larva of Cecidomyia, there is at first a single pole cell, which eventually divides into four, and the resulting cells become enclosed within the blastoderm.
The viviparous females always differ from the females which lay the fertilized eggs.
The velum, as might be anticipated from the viviparous development, is small.
The variety of reproduction which is most interesting, is that of the human species, and is called viviparous generation.
This mode of reproduction is termed viviparous generation.
In the viviparous forms mentioned there is yolk in the ovum which is retained in oviduct or ovary, but additional nutriment is also absorbed from the uterine or ovarian walls.
It is also, in my opinion, unreasonable to suppose that the rudimentary corpora lutea of lower viviparous Vertebrates arose as a mutation the result of which was to cause internal development of the ovum.
SN: That Vipers exclude their young ones by an ordinary passage, as other viviparous creatures.
His assertion against the Historian was probable, that all seed was white; that is without great controversie in viviparous Animals, and such as have Testicles, or preparing vessels wherein it receives a manifest dealbation.
In this respect these fishes differ from all the other viviparous species known to us.
These eggs are hatched in Spring, and produce only viviparous plant-lice.
If the body of one of these ovo-viviparous flies (for the eggs hatch within the parent) be opened, a sort of thick ribbon of spiral form is soon seen.
They are ovo-viviparous insects, and the young larvae escape as such from the body of the mother.
Hymenoptera, and on the left hand there is a perfect female insect, very much magnified, with ovo-viviparous larvae within its abdomen, and between the two figures there is a representation of a larva of the natural size.
Their evolution is subject to great cenogenetic modification in man and all other viviparous animals, precisely because the complete development of the embryo occupies a longer time within the body of the mother.
The human ovum, like that of all other animals, is a single cell, and this tiny globular egg cell (about the 120th of an inch in diameter) has just the same characteristic appearance as that of all other viviparous organisms.
The nucleus is formed within the egg in oviparous, and within the old shell in viviparous mollusca.
This is the viviparous lizard, a harmless little animal which also occurs in Great Britain and generally throughout the continent of Europe.
The river perch usually gives lodging to a viviparous nematode, the Cucullanus elegans, on the development of which a special work has been published.
Some species, such as Poa stricta, are known only in this viviparous condition; others, like our British species Festuca ovina and Poa alpina, become viviparous under the special climatic conditions.
On squirrels, Audubon and Bachman, Viviparous Quadrupeds of N.
It is natural to imagine, that if the females of viviparous animals had menses like women, their deliveries would be followed with an effusion of blood, and happen at different terms.
The ovaries of oviparous animals, and the testicles of female viviparous animals, before the season of impregnation, experience a considerable change.
This, then, is all that can be reduced to truth on the subject of the pretended ovaries and eggs of viviparous animals.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "viviparous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
