...Perfectly round, with a burnished sky about it, such as may sometimes be seen when the circle is absolutely full, the white disk hung in the heavens... 
Various 「Ainslee's, Vol. 15, No. 5, June 1905」
...Shell univalve, greatly depressed, broad, ear-shaped, the disk with many perforations...
William Swainson 「Zoological Illustrations, Volume II」
...The two sets of muscles meet atthe base of the body, forming a disk, or kind of foot, by which the animalcan fix itself so firmly to the ground, that it is very difficult to removeit without injury...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...It is nevertheless capable of a very limited degree ofmotion, by means of the expansion and contraction of this foot-like disk...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The mouth is also alittle out of centre, rather nearer one end of the disk than the other...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...We shall seehereafter that the disk, so large and seemingly solid in theDiscophoræ, thins out in many of the other Jelly-fishes, and becomesexceedingly concave...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Around the circumference of thedisk are eight eye-specks, each formed by a small tube protected under alittle lappet or hood rising from the upper surface of the disk...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...As the animal advances in age the disk loses its spherical outline, andbecomes much flattened, as may be seen in ...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The radiating tubes in this Jelly-fish are exceedinglynumerous, the whole inner surface of the disk being ribbed with them...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...() Its disk has a yellowish hue, and from itsmargin hangs a heavy row of yellow tentacles, while the eight ovaries () are of a darker shade of the same color...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The madreporic body is situated on the uppersurface of the disk (), at the angle between two of the arms, and consequentlybetween two of the ambulacra, and opposite the odd one...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The disk of the Cribrella is smooth, instead of being covered, like thelarger Star-fishes, with a variety of prominent appendages...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...They differ from the Star-fishes in having the disk entirely distinct fromthe arms; that is, the arms, instead of merging gradually into the disk,start at once from its margin...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...If this is dexterously done, the spermaceti willbe melted without singeing the paper, and when it iscold the disk will be found transparent...
Henry J. Slack 「Marvels of Pond-life」
...The obstacle to bepierced varies: a cork a centimetre thick;3 a plug of poplar, verymuch softened by decay; a circular disk of sound wood...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...A few, however, succumb before the front to be attacked;and all perish, after fruitless attempts, before the disk of hardwood...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
...If anything alarms it, with a suddenrecoil it withdraws completely into its urn, the opening of which isclosed with the disk formed by the flat top of the head...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
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