...On the disk resting in a little hollow in the ivory, was a pure, perfect crystal sphere of a foot diameter... 
Talbot Mundy 「King--of the Khyber Rifles」
...This specimen was, however, of unusual size; they morecommonly measure from three to five feet across the disk, while thetentacles may be thirty or forty feet long...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The tentacles are exceedinglynumerous (see ), arising in eight distinct bunches,from the margin of the disk, and hanging down in a complete labyrinth...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Behind the veil of tentacles, andpartly hidden by it, four curtains, with lobed or ruffled margins, dimlyseen in , hang down from the under surface of the disk...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The ovariesare formed by four pendent pouches, placed near the sides of the mouth, andattached to four cavities within the disk...
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」
...The tentacles are solid and stiff like little hairs, and two of them, ineach quarter-segment of the disk, have small concretions at the base, whichare no doubt eye-specks...
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」
...When first hatched, like the Oceania, it is very convex, almostthimble-shaped (see ), but a little later the disk flattens andbecomes more open, as 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」
...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 tube into whichit opens, runs vertically from the upper floor of the disk to the lower,where it connects with the circular tube around the mouth, and thuscommunicates with all the ambulacral rows...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...() On each side of the arms, where they join the disk, are slitsopening into the ovarian pouches...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...On the opposite side of the disk theComatula is covered with plates, arranged regularly around a central plate,which is itself covered with long cirri...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Anothermode of accomplishing this purpose is to place asimilarly prepared disk of paper on the flat side of abull's-eye lens, and transmit the light of a lamp throughit...
Henry J. Slack 「Marvels of Pond-life」
...Submargin -al: an imaginary portion of a surfaceoutside of the disk and within the margin: a line is submarginalwhen it is well within the margin but close to it...
John. B. Smith 「Explanation of Terms Used in Entomology」
...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」
...Bluewing-cases, braided with white on the outer edge and each adornedwith three white dots; a red corselet, with a blue disk in thecentre...
Jean Henri Fabre Alexander Teixeira de Mattos 「The Glow-Worm and Other Beetles」
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