. Elementary entomology . Fig. 470. Sag net, hook and brush for col- lecting in rapids (After Needham) An aquatic sieve net (Fig. 471). This net is intended to be used in stagnant water or on sandy bottoms where there is but httle vegetation. The frame consists of a Hght steel rod, sides of heavy tin or galvanized iron, and a bottom of fine brass or galvanized

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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912