ternity are about the only musical sounds est in the broadest portion of the vein. This rough- moreover, there is a difference between the night in nature that are throat utterances or true songs. ness can be well seen with a low-power microscope. song and the day song of certain species. It is an… … of which are diurnal; and if we penetrate the forests absorbs all the blue iight from the heavens by means Fig. 1.—Common Fig;. 2.-Angular-Winged Locust. of grass and weeds and bushes from latter July until Grass Locust. Orche- Microcentrum retwervis. Male. of an appropriate absorbent medium, and…
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