...Preserved western cottonmouths were examined for the purpose of determining variation, distribution, food habits, body proportions, embryonic development, and reproductive cycles...
Ray D. Burkett 「Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia)」
...In others, at any rate in the embryonic condition,the nervous system is composed of a doublechain of ganglia, united by longitudinal commissures,and the gullet passed between two of these commissures...
Henry J. Slack 「Marvels of Pond-life」
...Anal plate: in caterpillars, the shield-like coveringof the dorsum of the last segment: in the embryonic larva the11th tergite...
John. B. Smith 「Explanation of Terms Used in Entomology」
...At approximately 35 days the eggsbecame dark red; embryonic structures were discernible thereafteronly in eggs that had embryos situated at one end, close tothe shell...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The range of temperatures tolerated by developing eggs probablyvaries with the stage of embryonic development...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...In the second volume each of these organs will be dealt withseparately, and the parallel will be worked out between its embryonic and itsphylogenetic (evolutionary) development...
Ernst Haeckel 「The Evolution of Man」
...But such a repetition of the ancestral historyby the individual in its embryonic life is very rarely complete...
Ernst Haeckel 「The Evolution of Man」
...Cuvier and Baer proved that this view was false, and that we must distinguishfour totally different types of animals, on the ground of anatomic structureand embryonic development...
Ernst Haeckel 「The Evolution of Man」
...Unfortunately, they are of novalue, and do not help us in the least in forming an “exact”acquaintance with the embryonic phenomena...
Ernst Haeckel 「The Evolution of Man」
...In all these metazoa, or multicellular animals, the chief embryonic processesare substantially alike, although they often seem to a superficial observer todiffer considerably...
Ernst Haeckel 「The Evolution of Man」
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