Discovery reports (1937) Discovery reports discoveryreports14inst Year: 1937 DEVELOPMENT OF EUPHAUSIA SUPERB A 29 THIRD CALYPTOPIS The average lengths of varying numbers of individuals are stated in Table X. The extreme range of size is between 3-17 and 4-83 mm. The range for the largest number (fifty-eight) measured from one sample is between 3-50 and 4-58 mm. The lower limit of length is almost i mm. less than that given by Ruud (1932, p. 48), but the upper limit agrees closely with his. Fig. 6. Third Calyptopis. a, lateral aspect ( x 18); /, mandible ( x 165); b, dorsal aspect ( x 14);

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Discovery reports (1937) Discovery reports discoveryreports14inst Year: 1937 DEVELOPMENT OF EUPHAUSIA SUPERB A 29 THIRD CALYPTOPIS The average lengths of varying numbers of individuals are stated in Table X. The extreme range of size is between 3-17 and 4-83 mm. The range for the largest number (fifty-eight) measured from one sample is between 3-50 and 4-58 mm. The lower limit of length is almost i mm. less than that given by Ruud (1932, p. 48), but the upper limit agrees closely with his. Fig. 6. Third Calyptopis. a, lateral aspect ( x 18); /, mandible ( x 165); b, dorsal aspect ( x 14); g, first maxilla ( x no); c, rostrum and antennules, flagella omitted ( x 35); /;, first thoracic limb with limbs II-VI in situ ( x 35); d, uropod ( X 46); J, thoracic limbs II-VI ( x 35). e, telson, ventral aspect ( x 35); The carapace is without lateral denticles (Fig. 6 a). In dorsal aspect (Fig. 6 b) it com- pletely covers the compound eyes, which are globular in shape and show traces of pig-

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