. British fresh-water Copepoda. --. Copepoda; Crustacea. EURYTEMORA. 187 seg. 3 with 3 strong setse and a very delicate seta which eventually becomes the aesthete of the adult. Antenna : Coxa with 1 strong spine ; basis with 1 spine and 2 setae ; endopod unsegmented, with 3 terminal setae ; exopod of 5 segments with 7 long setae. Mandible : Basis with 2 strong spines ; endopod unsegmented,. broad, with a proximal group of 3 setae and terminal group of 5. Exopod 4-segmented, with 5 setae. This stage lasts a very short time, and is rarely found in the plankton. Naujdius II. Length -IS--17 mm.

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. British fresh-water Copepoda. --. Copepoda; Crustacea. EURYTEMORA. 187 seg. 3 with 3 strong setse and a very delicate seta which eventually becomes the aesthete of the adult. Antenna : Coxa with 1 strong spine ; basis with 1 spine and 2 setae ; endopod unsegmented, with 3 terminal setae ; exopod of 5 segments with 7 long setae. Mandible : Basis with 2 strong spines ; endopod unsegmented, . broad, with a proximal group of 3 setae and terminal group of 5. Exopod 4-segmented, with 5 setae. This stage lasts a very short time, and is rarely found in the plankton. Naujdius II. Length -IS--17 mm. Dif!ers little from stage I. Body more elongated. Antennule unchanged, without marginal setae on seg. 3. Exopod of mandible with 5 setae. Colour brownish-yellow. Eye blue-black.. 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 work.. Gurney, Robert. London : Ray Society