Word: larval
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Dates: during 1920-1929
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...transparent baby eels about 2 in. long, with which harbors and rivers teem in the spring. Before spawning, matured eels fast for months, their ultimate death re sulting from starvation. The small eels that return by the myriad are at least a year old, having developed out of a larval stage which Science long took to be a distinct species of surface-dwelling fish, leptocephali, notable for their complete lack of reproductive organs. The presence of eels in waters blocked from the sea by high falls, and in land-locked ponds and lakes, is readily accounted...
...occurred to Dr. Charles H. T. Townsend, a U. S. entomologist stationed at Itaquaquecetuba, Estado de Sao Paulo, Brazil, during his studies of a muscoid fly called Cephenemyia, the world's fastest aeronaut. Much like a bumblebee in size, color and form, Cephenemyia begins life as a larval parasite in the nasal passages or other head cavities of deer, cattle and other ruminants. To find suitable host animals and catch them and get into their noses and out again, the adult flies must range immense tracts of country at terrific speed. To the human eye, their passing...