SOME QUEER HEARTS.
There Is one curious fact which dvj everybody notices about the cofnmon, *v finger long, green caterpillars of our > large moths. Their heart#, instead of being in front are at the back ol the body and extend along the entire length of the animal. One can see the heart distinctly through thd thin skin, and can watch its slow beat, which starts at the tail and moves forward to the head. Hearts of this sort, reaching from head to tail, are not at all uncommon in the simpler creatures. The earthworm has one, and so have most worms, caterpillars, and other crawling things. Hearts in the middle of the back are also quite as frequent as those in what seems to us to be the natural place. Many animals—for example, the lobster, the crayfish, and the crab—have short hearts like those of the beasts and birds, but have them placed just under the shell in what in ourselves would be the small of the back.
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https://paperspast.natlib.govt.nz/newspapers/NORAG19080622.2.64
Bibliographic details
Northland Age, Volume IV, Issue 42, 22 June 1908, Page 8
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168SOME QUEER HEARTS. Northland Age, Volume IV, Issue 42, 22 June 1908, Page 8
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