The Journal of microscopy and natural science . ible to observe that I do not see how it canbe settled positively either way. The Breeze-Fly, Tabanus Bovinus, is one of the Gad family has three pads to their feet. I think some other flieshave also, but am not sure. I certainly believe the ends of thehairs on the skinny pad are all hooked. I do not see theexpansion at the end, except when the end is out of focus. I canquite believe in a viscid fluid to help to make the vacuum secure,but I cannot think that enough is poured out to stick the flys footto the glass, and that then the fly
The Journal of microscopy and natural science . ible to observe that I do not see how it canbe settled positively either way. The Breeze-Fly, Tabanus Bovinus, is one of the Gad family has three pads to their feet. I think some other flieshave also, but am not sure. I certainly believe the ends of thehairs on the skinny pad are all hooked. I do not see theexpansion at the end, except when the end is out of focus. I canquite believe in a viscid fluid to help to make the vacuum secure,but I cannot think that enough is poured out to stick the flys footto the glass, and that then the fly can wrench the feet away quicklyenough to walk as it does. I allow that the adhesion in a vacuumis a strong argument against the sucker theory, but a real vacuumis very difiicult to get, and a very partial one would support a fly,I think. Then old flies (or, rather, weakly onesj might have theirfeet stuck to the glass by the fluid and not be able to take themup, though they use a sucker generally. JoumaJ of Microscopy, 3 Ser. Vol. 6, Plate
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