...When ripe, it detaches itself from a sort of acorn, to which the smaller end has been firmly joined, and falls with sufficient force to implant itself deeply in the mud... 
Horatio Bridge 「Journal of an African Cruiser」
...He therefore climbed up a large acorn tree and there passed an entire day in deep meditation...
William Still 「The Underground Railroad」
...Hear him hammering at an acorn some frostymorning! How vigorous his motions, how alert and independent! Hisbeautiful military blue, black and white feathers, and crested head,give him distinction...
Neltje Blanchan 「Birds Every Child Should Know」
...The symptoms of acorn poisoning aremuch the same...
U.S. Department of Agriculture 「Special Report on Diseases of Cattle」
...Think of the labor of carrying these tenlarge acorns and driving them in so tightly thatafter years of shrinking they cannot be removedby a knife without injuring either the acorn orthe bark...
Fannie Hardy Eckstorm 「The Woodpeckers」
...Then each acorn had to be fitted to its hole...
Fannie Hardy Eckstorm 「The Woodpeckers」
...The Acorn Woodpecker in Coahuila is common in the oak and pine-oak belts, from 4950 to 8000 feet...
Emil K. Urban 「Birds from Coahuila, Mexico」
...We shall be rewarded; theexploitation of the acorn deserves to be seen...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The mother,larger than the male, and equipped with a longer drill, is inspectingher acorn, doubtless with a view to depositing her eggs...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...But as the acorn matures this layer becomes more solid in itsconsistency...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The exterior of the acorn gives no indication whatever of the progressof this internal cookery...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...An intermediary period is desirable, which will lead the littlelarva from the delicacies of its first hours to the diet of hard acorn...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...While only sketched and shaped like the cup of an acorn, shelays it...
Francis Huber Anonymous 「New observations on the natural history of bees」
...Driver, upon his own plan,which was to dig holes four feet apart every way, or 2,722 in an acre, andto plant an acorn in every hole but the tenth, in it substituting anoak-tree of five years old...
H. G. Nicholls 「The Forest of Dean」
...Russell’s Enclosure is left to nature: only 10,000 Spanish chesnutshave been planted in it, and some young oaks from the Acorn Patch at thenorth end...
H. G. Nicholls 「The Forest of Dean」
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