. Bulletin. Geography. ISO POND COMMUNITIES painted turtle {Chrysemys marginata) is abundant, basking on the fallen trees. The geographic turtle and the snapping turtle are found also in the younger phases. Garter-snakes pick up their food along the ponds (Fig. 114), while muskrats, occasional minks, and various aquatic birds (108) feed in the Senescent Pond Inhabitants Fig. 109.—a leech with young attached to the ventral side {Placobdella para- sitica) ; natural size. Fig. iio.—The larva of a netted-winged insect {Chauliodes raslricornis). Fig. III.—Pupa of the same (slightly enlarged
. Bulletin. Geography. ISO POND COMMUNITIES painted turtle {Chrysemys marginata) is abundant, basking on the fallen trees. The geographic turtle and the snapping turtle are found also in the younger phases. Garter-snakes pick up their food along the ponds (Fig. 114), while muskrats, occasional minks, and various aquatic birds (108) feed in the Senescent Pond Inhabitants Fig. 109.—a leech with young attached to the ventral side {Placobdella para- sitica) ; natural size. Fig. iio.—The larva of a netted-winged insect {Chauliodes raslricornis). Fig. III.—Pupa of the same (slightly enlarged). Fig. T12.—A snail {Planorbis trivohis); natural size. Fig. 113.—Common amphipod {Eucrangonyx gracilis); twice natural size. Fig. 114.—Pond 58 in a dry season, showing dead fish (mud minnows) both on bottom and out of water and in the water. A garter-snake {Thamnophis sp.) feeding on the fish. Consocies of logs.—This, is the chief place to find the sponge and the polyzoa. Their numbers vary from year to year but they are usually. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geographic Society of Chicago. Chicago, Ill. : Published for the Society by the University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeography, bookyear19
