...The tops of the columns are quite distinct, of the hexagonal form, like the bottom of the cells of a honeycomb, but they are not parted from each other as in the Cave of Fingal... 
David Livingstone 「Missionary Travels and Researches in South Africa」
...All sorts of systems and inventions would be tried, until long experience, aided by geometry, should show them that the hexagonal shape is the best...
P. J. Proudhon 「What is Property?」
...Bill swollen at tip, convex; the upper mandible covered at the base with asoft membrane in which lie the nostrils, with a valve over them; tarsi coveredfore and rear with hexagonal scales...
Rev. C. A. Johns 「British Birds in their Haunts」
...The wasps, for instance, also build combs with hexagonal cells, so that for them the problem was identical, and they have solved it in a far less ingenious fashion...
Maurice Maeterlinck 「The Life of the Bee」
...There is one masterpiece, the hexagonal cell, that touches absolute perfection,—a perfection that all the geniuses in the world, were they to meet in conclave, could in no way enhance...
Maurice Maeterlinck 「The Life of the Bee」
...The first neural is rounded, and the2d, 3d, and 4th are hexagonal, with the broad ends forward...
Edwin C. Galbreath 「A New Extinct Emydid Turtle from the Lower Pliocene of Oklahoma」
...28 inch in diameter, closedby a small, white crystal stopper with hexagonal top...
Various 「The American Journal of Archaeology, 1893-1」
...Perhaps the earliest examples known are the hexagonal pulpit in theBaptistery at Pisa, a similar one in the Cathedral at Siena, and thefountain at Perugia, all by Nicolo Pisano (1206-76)...
Richard Glazier 「A Manual of Historic Ornament」
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