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gentamicin, an antibiotic substance produced by Micromonospora purpurea.
synthesis and antibiotic spectrum 1:989e aentian, common name for
approximately 200 species of the genus Gentiana (fantin Gentianaceae, q.v.).
Most gentians are ...
In these species some other organ probably takes over the secretion of
progesterone. In the course of evolution the duration of gestation appears to have
become adapted to the needs of the species. The degree of ultimate growth is a
The vapour of some species smells like iodine and irritates man's eyes. Braclu'
nus has dark blue, black, or blue-green wing and reddish yellow body and legs.
The beneficial Lebia grandis, which resembles the bombardier beetle, preys
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review