...Guided by that instinct whichcame from the old hunting days of the primordial world, Buck proceeded to cutthe bull out from the herd... 
Jack London 「The Call of the Wild」
...The muscles bequeathed herby some primordial ancestor reacted instinctively to the presence of anancient enemy—that was all...
Edgar Rice Burroughs 「Tarzan the Terrible」
...This archetype, the co-ordinator of forms; this primordial regulator;have you got it on the end of your syringe? No! Then throw away yourproduct...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...This puny grub, which will spin itself an infinitesimal cocoon of white silk under the piece attacked and will later become an insignificant moth, is the primordial ravager...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...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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