There is, in birds, no annulus tympanicus. [Please select]
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The ages and total lengths at the last annulus for 25 specimens are as follows: I, 1. [Please select]
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Armillate: with a ring or annulus of raised or different tissue. [Please select]
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Ring: a circle or annulus, usually margining a discolored spot. [Please select]
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As the greatest breadth of the annulus can never exceed 1½ minutes of arc, an annular eclipse may sometimes, in some part of its track, become almost or quite total, and _vice versâ_. [Please select]
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This diffraction effect is accepted; but the problem still remains how wide this annulus may be, and whether it may vary in width from one eclipse to another. [Please select]
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