...The sucker is the first fish to spawn, and as soon as they are gone, the pike come, and the bears fare well for a couple of weeks... 
Elmer Harry Kreps 「Science of Trapping」
...His method of consuming reaches the highest level of art: he does not cut into his prey, he sips it little by little through his sucker...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...The substance of the fostering larva must be sufficiently fluid to ooze through the unbroken skin under the action of the sucker...
J. Henri Fabre Alexander Teixeira de Mattos 「The Life of the Fly」
...The sucker, you know, is a round piece of leather with a string attachedto the middle...
Margaret Warner Morley 「The Insect Folk」
...Section of sucker of ditto, magnified...
W. S. Coleman 「British Butterfiles」
...As a lasting fish bait (unsmoked) I have found the sucker or carp the very best; they are a fleshy fish with no inside to speak of, and a very tough skin...
A. R. (Arthur Robert) Harding 「Mink Trapping」
...Cycleptus elongatus LeSueur, blue sucker...
W. L. Minckley 「Fishes of the Big Blue River Basin, Kansas」
...Occurrences of the spotted sucker were scattered...
Artie L. Metcalf 「Fishes of Chautauqua, Cowley and Elk Counties, Kansas」
...The white sucker occurs primarily in upstream-habitats in the Wakarusa Basin...
James E. Deacon 「Fishes of the Wakarusa River in Kansas」
...Dotted along these were rudimentary sucker discs, that hadevidently become atrophied by the soft living of thousands of thecreature's ancestors...
Various 「Astounding Stories of Super-Science September 1930」
...Thus encouraged, the soldier produced from an inner pocket and offeredone of those childhood sweets known as an "all day sucker...
Various 「Astounding Stories of Super-Science, October, 1930」
...A long curled sucker, fifty feet inlength, unrolled and was plungeddown into the heart of the trumpet-shapedflower...
Sterner St. Paul Meek 「Giants on the Earth」
...But the girl saw the huge flat head and the crinkled tissue of thefrilled mouth with its sucker disks...
Various 「Astounding Stories of Super-Science July 1930」
..."The sucker must 'a' stowed away on the last recruit ship from Venus,slipped in a case o' tools or somethin'...
Arthur Leo Zagat 「The Great Dome on Mercury」
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