. The Canadian field-naturalist. . Fig. 1. Dorsal view of Argulus piperatus, female. The line represents a length of 1 mm. Specific characters of female. General shape of the carapace elliptical, one-fourth longer than wide, with shallow lateral sinuses and broad, well rounded posterior lobes. Posterior sinus, one-third the length of the carapace, with parallel sides; pos- terior lobes just reaching the base of the abdomen. Eyes far forward and well separated. Abdomen elliptical, one-fourth the length of the carapace, the longitudinal and transverse diameters in the proportion of 11 to 9; its
. The Canadian field-naturalist. . Fig. 1. Dorsal view of Argulus piperatus, female. The line represents a length of 1 mm. Specific characters of female. General shape of the carapace elliptical, one-fourth longer than wide, with shallow lateral sinuses and broad, well rounded posterior lobes. Posterior sinus, one-third the length of the carapace, with parallel sides; pos- terior lobes just reaching the base of the abdomen. Eyes far forward and well separated. Abdomen elliptical, one-fourth the length of the carapace, the longitudinal and transverse diameters in the proportion of 11 to 9; its posterior lobes well rounded and inclined inward so that their inner margins are in contact. Anal sinus *^^, of the abdomen length; anal laminae basal, minute and unarmed; sperm receptacles small, circular and rather widely 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 Ottawa Field-Naturalists' Club. Ottawa, The Ottawa-Field-Naturalists Club
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Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1920, bookyear1920
