volvox

• The germ of a higher animal--a mammifer, for instance--is the representative of a lower animal full-grown, like the volvox globator_; the latter remaining in this initial stage, as an animalcule, through its whole existence; while the former is developed out of it, by successive stages, into a quadruped, or even into a man. —  A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation'
• What it seems to me we need is to teach the facts of life-giving, or, in other words, of sex, as a great, wide, open-air law, running right through animated creation, an ever-ascending progression forming a golden ladder leading up to man In explaining the facts of reproduction, I would therefore suggest that you should begin with the lowest rung of the ladder, the simplest organisms, such as the amoeba or the volvox. —  The Power of Womanhood, or Mothers and Sons A Book For Parents, And Those In Loco Parentis
• The substitution of other terms in the anatomical series there described--amoeba, volvox, etc.--would not affect this result. —  The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895
• It corresponds in structure with the fully developed volvox, except, of course, in lacking reproductive cells Illustration: 4. —  The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895
• And the germ-cells (eggs and spermatozoa) of volvox are immortal like the protozoa. —  The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895

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