Evenings at the microscope : or, Researches among the minuter organs and forms of animal life (1884)
Gosse, Philip Henry, 1810-1888 · London : Society for Promoting Christian Knowledge · leaf 131
FOOT OF WATER-BEETLE. Large Sucker, bb. Two smaller suckars.c. Small crowded suckers. 2. Oue of the last moreenlarged. sucking-disks, of which one is very large, occupying abouta fourth part of the whole area. It is circular, and itsface is strongly marked with numerous fibres radiatingfrom the…
Zoology · Microscopy
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