. British fresh-water Copepoda. --. Copepoda; Crustacea. 188 BRITISH FRESH-WATER COPEPODA. Antennule of 17 segments, reaching about to end of th. som. 1; terminal segments without hyaline membrane or hairs. Legs with rami 3-segmented ; spine-formula ; endopod 3 of leg 4 more than twice as long as wide ; terminal spines nearly equal, the inner one the longer, but always shorter than the segment; setse not reaching. Figs. 1579-1582.—Cyclops viridis. Fig. 1579.—Legs 5 and 6, male. Fig. 1580.—Leg 6, male, abnormal. Fig. 1581.—Nauplius, stage I. Fig. 1582.—Receptaculum, abnormal. Oxford. en


. British fresh-water Copepoda. --. Copepoda; Crustacea. 188 BRITISH FRESH-WATER COPEPODA. Antennule of 17 segments, reaching about to end of th. som. 1; terminal segments without hyaline membrane or hairs. Legs with rami 3-segmented ; spine-formula ; endopod 3 of leg 4 more than twice as long as wide ; terminal spines nearly equal, the inner one the longer, but always shorter than the segment; setse not reaching. Figs. 1579-1582.—Cyclops viridis. Fig. 1579.—Legs 5 and 6, male. Fig. 1580.—Leg 6, male, abnormal. Fig. 1581.—Nauplius, stage I. Fig. 1582.—Receptaculum, abnormal. Oxford. ends of terminal spines. Margins of exopod of leg 4 fringed with coarse spinules. Leg 5 with basal segment very broad ; seg. 2 small and rather slender ; inner spine very small, inserted beyond middle, and either jointed to segment or fused with it. Egg-sacs large, divergent. Male.—Length 1 '4-1 "6 mm. Antennule with very long aesthetes ; segs. 16. and 17. 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