. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. LARVAE OF SERGESTES 39 Sergestes corniculum Form A Description. Elaphocaris i (Fig. 30 a). Length 072 mm. Anterior processes with four denticulate spines; lateral processes with six long basal spines; posterior process swollen at base with two pairs of spines. Dorsal organ con- spicuous. Branches of telson short and broad, spine 5 much shorter than spine 4. A pair of small papillae on anterior margin represent the papillae of the eyestalk. Labral spine Fig. 30. S. corniadum A. a, Elaphoc
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. LARVAE OF SERGESTES 39 Sergestes corniculum Form A Description. Elaphocaris i (Fig. 30 a). Length 072 mm. Anterior processes with four denticulate spines; lateral processes with six long basal spines; posterior process swollen at base with two pairs of spines. Dorsal organ con- spicuous. Branches of telson short and broad, spine 5 much shorter than spine 4. A pair of small papillae on anterior margin represent the papillae of the eyestalk. Labral spine Fig. 30. S. corniadum A. a, Elaphocaris i; b, Elaphocaris 2. Elaphocaris 2 (Fig. 30 h). Length 1-3 mm. Rostrum 0-85 mm. Rostrum simple, with four pairs of long spines at base. Carapace with a pair of long lateral spines and a group of about ten long spines springing from an elevation of the carapace at the base of the lateral spines. Posterior margin of carapace with a dorsal spine as long as the abdomen and a transverse row of 14 long spines. Dorsal organ very large. Telson arms very short, as wide as long, spine 5 considerably shorter than spine 4. Eye very large, asymmetrical, width of eyeball greater than total length. Labral spine very 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 Institute of Oceanographic Sciences (Great Britain); National Institute of Oceanography of Great Britain; Great Britain. Colonial Office. Discovery Committee. London ; New York : Cambridge University Press
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