. British fresh-water Copepoda. --. Copepoda; Crustacea. 314 BRITISH FRESH-WATER COPEPODA. additional combed spine, which Wilson regards as the palp, is inserted on posterior side, the comb directed backwards. Maxillule a small vestige, bearing 2 small setae. Maxilla with large basal part bearing a terminal. movable process covered with short spines. Maxilli- pede absent. Legs with coxa and basis very broad, without inner setae. Rami of 3 segments except in leg 4, in which exopod is 2-segmented ; outer spines of exopods very small, and absent from seg. 2 of legs 2 and 3 ; exopod 1 without inne


. British fresh-water Copepoda. --. Copepoda; Crustacea. 314 BRITISH FRESH-WATER COPEPODA. additional combed spine, which Wilson regards as the palp, is inserted on posterior side, the comb directed backwards. Maxillule a small vestige, bearing 2 small setae. Maxilla with large basal part bearing a terminal. movable process covered with short spines. Maxilli- pede absent. Legs with coxa and basis very broad, without inner setae. Rami of 3 segments except in leg 4, in which exopod is 2-segmented ; outer spines of exopods very small, and absent from seg. 2 of legs 2 and 3 ; exopod 1 without inner seta* ; endopod 2 of legs * In E. baicalensis Messjatzeff found a seta on exopod 1 of leg 1, and in E. hoferi Borodin describes 2 setae on endopod 2 and 5 on endopod 3 (leg 1). Markewitsch considers such differences insufficient to characterize species, and possibly due to individual 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