. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 278 DISCOVERY REPORTS two points, the anterior one larger than the other; a prominent rounded knob projecting between the "eyes", hollow beneath, and arching over the bases of ist antennae; a distinct though shallow neck behind the "eyes"; free margin of the head costate, the costa more prominent on the postero-inferior margin, and on the anterior margin of the larger projecting point and the lower margin of the frontal knob. The surface of the "eyes" is shagreened
. Discovery reports. Discovery (Ship); Scientific expeditions; Ocean; Antarctica; Falkland Islands. 278 DISCOVERY REPORTS two points, the anterior one larger than the other; a prominent rounded knob projecting between the "eyes", hollow beneath, and arching over the bases of ist antennae; a distinct though shallow neck behind the "eyes"; free margin of the head costate, the costa more prominent on the postero-inferior margin, and on the anterior margin of the larger projecting point and the lower margin of the frontal knob. The surface of the "eyes" is shagreened like the rest of the body, and no trace of ocelli or facets is visible. The front portion of the ocular lobes is dull reddish-brown, darker in colour than the rest of head (cf. coloured reproduction of sketch taken from life).. Fig. 163. Pegohyperia princeps, Brnrd. «, b. Two views of left mandible (palp omitted in b). c. Maxilla 2' d, e. Two views of maxilla 1, with distal margin of palp further enlarged. /. Maxilliped, with apex of outer plate further enlarged. Peraeon segments subequal, each with a transverse dorsal and dorso-la'teral shallow groove and raised rounded ridge; on segment 1 the ridge precedes the groove, on the other segments the groove is in front of the ridge, which is specially prominent on seg- ments 5-7; the dorsal profile is therefore undulate. Postero-inferior angles on all seg- ments rounded; antero-inferior angles on segment 1 slightly, on segments 6 and 7 more prominently produced forwards, but not acute. Side-plates 1 and 2 shallow, slightly produced forwards as rounded lobes, both with a horizontal keel above and overhanging the insertions of the gnathopods. Side-plates 3-5 considerably deeper, 3 projecting outwards, 3 and 4 quadrangular, 5 triangular. Side-plates 6 and 7 shallow. Pleon broad, not abruptly narrower than peraeon, dorsal profile undulating; pleural. Please note that these images are extracted from scanned page images that may have be
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
