Insect artizans and their work . and others that are set apart as granaries. Theseare placed at a depth of about two feet, so that thegrain shall be unaffected by changes of temperatureup above ; but the galleries have been traced to adepth of fifteen feet below the surface. In many species of ants there are two grades ofworkers—workers minor who do most of the work ofthe community, and workers major who run largelyto head and have powerful jaws. These workersmajor among the agricultural ants appear to beset apart as seed-crushers, using their jaws to crackthe hard malted seeds into handy-size
Insect artizans and their work . and others that are set apart as granaries. Theseare placed at a depth of about two feet, so that thegrain shall be unaffected by changes of temperatureup above ; but the galleries have been traced to adepth of fifteen feet below the surface. In many species of ants there are two grades ofworkers—workers minor who do most of the work ofthe community, and workers major who run largelyto head and have powerful jaws. These workersmajor among the agricultural ants appear to beset apart as seed-crushers, using their jaws to crackthe hard malted seeds into handy-sized pieces thatthe workers minor can deal with comfortably,masticating and mixing them with saliva to makethem a digestible food for the larvae. Dr. Wheeler, the most recent historian of theAmerican ants, supports McCooks view that theants do not actually sow the seeds of the ant-rice(McCook at least says that Lincecums statement isnot proven); but his statement shows that Lincecummade a .npj unnatural inference from the facts,.. d z a; ,£4 a .5 3 ?
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
