. Bulletin. Geography. TEMPORARY POND COMMUNITIES 177 the ostraccd {Cyprois marginata )(i47) (Fig. 129), and the fairy shrimp (Eubranchipus) (148) (Fig. 130), all of which are characteristic of tempo- rary ponds. Red mites (Fig. 131) are also common (149). Professor Child (unpublished) has noted that the distribution each spring of Eubranchipus and of other temporary pond species is modified. Temporary Grassy Pond Animals Fig. 127.—A temporary pond copepod (Cyclops viridis americanus Marsh); 35 times natural size (after Herrick and Turner). Fig. 128.—The red copepod [Diaptomus stagualis) from
. Bulletin. Geography. TEMPORARY POND COMMUNITIES 177 the ostraccd {Cyprois marginata )(i47) (Fig. 129), and the fairy shrimp (Eubranchipus) (148) (Fig. 130), all of which are characteristic of tempo- rary ponds. Red mites (Fig. 131) are also common (149). Professor Child (unpublished) has noted that the distribution each spring of Eubranchipus and of other temporary pond species is modified. Temporary Grassy Pond Animals Fig. 127.—A temporary pond copepod (Cyclops viridis americanus Marsh); 35 times natural size (after Herrick and Turner). Fig. 128.—The red copepod [Diaptomus stagualis) from temporarj' pond; 12 times natural size, left antenna omitted (after Herrick and Turner). Fig. 129—The temporary pond ostracod {Cyprois marginata); 35 times natural size (after Sharp). Fig. 130.—The fairy shrimp (Eubranchipus); 3 times natural size. Fig. 131.—The red mite (Hydrachna sp.); 10 times natural size. by the rainfall of the preceding season. When the rainfall of the pre- ceding season has been great, the temporary pond species are found only in the smallest and highest (above ground-water) ponds such as would. 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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