. Fresh-water biology. Freshwater biology. Fig. 1057. a, Lalonopsis fasciculata; b, Latonopds occidentalism Fig. 1058. u, Latonopsis fasciculata; b, Pseudosida bidentata. 17 (14) Eye ventral or in middle of head. Rostrum present. Pseudosida Herrick 1884. Only one American species. . Pseudosida bidentata Herrick 1884. General form like Sida but head more depressed and dorsum more arched. Rostrum present; no fornix or cervical glands. Antennules attached as in Sida, long basal part with olfactory setae on side, and long flexible flagellum. Dorsal ramus of antennae with 2, ventral with 3, joints;


. Fresh-water biology. Freshwater biology. Fig. 1057. a, Lalonopsis fasciculata; b, Latonopds occidentalism Fig. 1058. u, Latonopsis fasciculata; b, Pseudosida bidentata. 17 (14) Eye ventral or in middle of head. Rostrum present. Pseudosida Herrick 1884. Only one American species. . Pseudosida bidentata Herrick 1884. General form like Sida but head more depressed and dorsum more arched. Rostrum present; no fornix or cervical glands. Antennules attached as in Sida, long basal part with olfactory setae on side, and long flexible flagellum. Dorsal ramus of antennae with 2, ventral with 3, joints; setae very unequal in length. Post-abdomen with about 14 clusters of spinules; daws with 2 large basal spines and a very small spine proximal to them. $ with anteimule of standard form; copulatory organs. Complex grasping apparatus on first foot. Color yellowish, semi-transparent. Length, 5, to or mm.; $, mm. Southern states, in pools and MM. i Figs. 1059, 1058, b. P. bidentata. (After Foster.) tSee also Fig. 1058.). 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 Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924. joint author. New York, John Wiley & sons, inc. ; [etc. ,etc. ]


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfreshwa, bookyear1918