There are, in fact, with the exception of one Percopsid in the Columbia River, no representatives of most of the families which give the stamp of peculiarity to the Union's population; the Etheostomine and indeed all other Percids are wanting, and only a single species of Centrarchids--the Perch of the Sacramento (Archoplites interruptus)--has found its way across the mountains.

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a fico for the phrase.

Later it was shown that the α-bands of the pyridine haemochromogens of both cytochrome a and chlorocruorin resemble each other closely (Keilin, 1933 a).