...Tunicate: composed of concentric layers, enveloping oneanother: said of antennae when each successive joint is buried inthe preceding funnel-shaped one... 
John. B. Smith 「Explanation of Terms Used in Entomology」
...Ornamentation variesgreatly; some bones show only a few tubercles, whereas others exhibit analmost concentric pattern of closely spaced striae...
Joan Echols 「A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas」
...The yellow yelk (c) consists of several concentric layers(d), and is enclosed in a thin yelk-membrane (a)...
Ernst Haeckel 「The Evolution of Man」
...The whole of this white yelk is not sharply separated from the yellowyelk, which shows a slight trace of concentric layers in the hard-boiled egg(Fig...
Ernst Haeckel 「The Evolution of Man」
...A special feature of this pipe is its decoration, which includesgroups of concentric circles...
Robert W. Williamson 「The Mafulu」
...Later again is a buff ware, either plain or decorated with wavy lines, concentric circles, and elaborate drawings of boats sailing on the Nile, ostriches, fish, men and women, and so on...
L.W. King and H.R. Hall 「History Of Egypt, Chaldæa, Syria, Babylonia, And Assyria In The Light Of Recent Discovery」
...This was to give a sufficiency of depthto the numerous concentric arches successively receding in the thicknessof the wall, which could not otherwise be well attained...
Matthew Holbeche Bloxam 「The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.」
...Thenorth doorway and the central doorway of the west front have the coloursarranged in concentric rings in the arches, red and yellow alternating...
Dugald Butler and Herbert Story 「Scottish Cathedrals and Abbeys」
...This disc is composed of twounfamiliar metals, arranged in concentric circles...
Various 「Astounding Stories, June, 1931」
...As the comet gets close to thesun its head becomes heated, and throws off concentric envelopes, muchof which consists of matter in an extremely fine state of division...
E. Walter Maunder 「The Astronomy of the Bible」
...There are at least two curved rows of minute stars a little beyond the periphery of the luminous whirl which clearly follow lines concentric with those of the nebulous spirals...
Garrett Serviss 「Curiosities of the Sky」
...This, however, upon closer examination, is found to be actually composedof three concentric rings...
Cecil G. Dolmage 「Astronomy of To-day」
...Supplement to the first and second part of the paper of experiments forinvestigating the cause of colored concentric rings betweenobject-glasses, and other appearances of a similar nature...
Edward Singleton Holden 「Sir William Herschel: His Life and Works」
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