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 287
the apex of thetriangle is curved over into an abrupt hook, and thenthis is cut into a number (from four to six) of sharp andlong teeth. The plates stand side by side, parallel toeach other, along the whole length of the ribbon, andthere are muscular fibres seen affixed to the basal sideof each… … HOOKS OF SEBPULA. number of prehensile comb-like plates on this portion ofthe body to be about one thousand nine hundred, each worms. 275 of which is wielded by muscles at the will of the animal;while, as each plate carries on an average five teeth,there are nearly ten thousand teeth hooked into…
Zoology · Microscopy
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