...He had been suddenly jerked from the heart ofcivilization and flung into the heart of things primordial... 
Jack London 「The Call of the Wild」
...The dominant primordial beast was strong in Buck, and under the fierceconditions of trail life it grew and grew...
Jack London 「The Call of the Wild」
...Spermatogonia: the descendants of the primordial germcells in the male...
John. B. Smith 「Explanation of Terms Used in Entomology」
...Being less long than the other two pairs, they are brought into immediate contact with those primordial implements, the mandibles and the spinneret...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...The primitive or primordial kidneys of the amniote embryo were formerly calledthe “Wolffian bodies,” and sometimes “Oken’sbodies...
Ernst Haeckel 「The Evolution of Man」
...First of all Thales thought that water was the primordial substanceof all things...
Vitruvius 「Ten Books on Architecture」
...These were the only indications we coulddiscover of the existence of primordial man upon the scene...
Ernest Giles 「Australia Twice Traversed, The Romance of Exploration」
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