. Elementary lessons in zoölogy : a guide in studying animal life and structure in field and laboratory . Crawfish, natural size (after Morse). rapids of creeks. A bright light on the bank of a creek at night will attract many to the edge of the water, where they may be taken with a dip net. This is perhaps the easiest way to obtain a supply. It requires only a little waiting and careful watching. The light should be so placed, that, as it shines down into the water, the bottom is visible. Different species will be found in different 111

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1896