. British fresh-water Copepoda. --. Copepoda; Crustacea. CYCLOPS MACRURUS. 117 denticles; uniting lamella convex. Leg 5 : inner spine much shorter than outer seta, and comparatively slender. I have not seen it as short as it is represented by Sars. Egg-sacs close to abdomen, very small. Colour yellow. Male.—-8 mm. Antennule as in C. agilis. Furcal rami about 8 times as long as wide ; outer spine and inner seta smooth. Leg 6 : inner spine longer than middle Figs. 1434-1437.—Cyclops macrurus. Fig. 1434.—Leg 3. Fig. 1436.—Leg 5. Fig. 1435.—Leg 4. Fig. 1437.—Leg 6, male. Variation. Graeter


. British fresh-water Copepoda. --. Copepoda; Crustacea. CYCLOPS MACRURUS. 117 denticles; uniting lamella convex. Leg 5 : inner spine much shorter than outer seta, and comparatively slender. I have not seen it as short as it is represented by Sars. Egg-sacs close to abdomen, very small. Colour yellow. Male.—-8 mm. Antennule as in C. agilis. Furcal rami about 8 times as long as wide ; outer spine and inner seta smooth. Leg 6 : inner spine longer than middle Figs. 1434-1437.—Cyclops macrurus. Fig. 1434.—Leg 3. Fig. 1436.—Leg 5. Fig. 1435.—Leg 4. Fig. 1437.—Leg 6, male. Variation. Graeter (1907) has described a var. subterranea from caves in Switzerland, which has since been given the specific name C. graeteri, Chappuis. This form differs from C. macrurus only in the rather shorter rami (6 : 1), the reduction of the lateral spinules of the ramus to 4 short hairs, and the absence of hairs from th. som. 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 Gurney, Robert. London : Ray Society


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Keywords: ., bookcentury1900, books, booksubjectcopepoda, booksubjectcrustacea