Word: pupa
(lookup in dictionary)
(lookup stats)
Dates: during 1930-1939
Sort By: most recent first
(reverse)
...California's Stanford University last week Biologist Dietrich Bodenstein displayed a winged insect which was half immature pupa, half mature butterfly. This monster was a by-product of Dr. Bodenstein's discovery of the agency which causes the final metamorphosis from pupa to adult. It is a growth substance generated in the head which reaches the tissues through the skin. It may be a hormone, but since hormones have not previously been found in insects it may also be an enzyme or some sort of nerve stimulus...
...Bodenstein cut off the circulation of the substance back of the pupa's head.* The head and shoulders metamorphosed normally, the mouth lost its caterpillar jaws and acquired a honey-sucking proboscis, the shoulders sprouted wings. But the body, deprived of the stimulus, remained frozen in the pupal stage...
...selection of his poems Author Tate places his latest works first. Readers who reverse that order will find his book more readily comprehensible, will find that few books better illustrate the professional literate's magpie-like stealing of twigs off literature's genealogical tree, his pupa-like spinning, out of a bowel-deep terror of extinction, pessimism's tight and tolerably comfortable cocoon. Irritating to some ears will be Author Tate's attempts, in many of his poems, to catch the tone of T. S. Eliot's latter-day concord of sourness and light...