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Published by way of the yankee Geophysical Union as a part of the Antarctic learn Series.
This is the 1st try and collect what's identified of the antarctic cirriped fauna in a single entire treatise. It covers the systematics of the barnacles of subantarctic and antarctic areas and their distribution, either fresh and paleontological. A moment half already in practise will record on planktonic larvae.
Antarctic Cirripedia, the second one monographic contribution within the Antarctic learn sequence, often follows the development set via Kott's Antarctic Ascidiacea (1969). The examine, so far as attainable, covers all files made through prior expeditions to Antarctic waters and culminates during this quantity with the 1962-1965 cruises of USNS Eltanin. The checklist of the crucial vessels that have introduced again cirriped fabrics from antarctic areas is a awesome one: Aurora, Belgica, Challenger, Discovery, Endeavour, Ob', Pourquoi-Pas?, Soya, Terra Nova, Umitaka-Maru and William Scoresby. but the variety of benthic samplings of cirripeds made via Eltanin lower than the U.S. Antarctic learn software from south of the Antarctic Convergence exceeds the complete of these back by means of all previous expeditions.
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3. Diagnosis: Carina simply bowed; tectun~ (roof) evenly rounded; umbo apical. Upper latus largest of latera; occludent margin same height as carinal margin of scutum ; plate occuy y ing completely space between scutum and carina. Peduncle of hermaphrodite covered with closely spaced, imbricating scales. /$ longer than posterior ramus. Third tooth of mandible with subsidiary teeth along superior slope. Capitulum of males covered with 7 calcareous plates; peduncle unarmored. Materzal: El~anzn,Sta.
375 (12 specimens, all stages) ; mens of L. australis dissected, the filaments on the Sta. 718 (SOSC 104, 2 specimens) ; Sta. 1161 ( 3 on prosoma were difficult to see; although long, they pumice) ; Sta. 1162 ( 5 on pumice) ; Sta. 1167 ( 3 on were very fine. In the two specimens of L. anatifera, p m i c e ) ; Sta. 1170 (10 on pumice) ; Sta. 1185 (30, however, these filaments were much thicker and obsome cyprids, on kelp) ; Sta. 1188 ( 5 on pumice) ; vious. Sta. 1196 ( 7 plus several cyprids, on pumice) ; Sta.
In several specimens KEYTO ANTARCTIC LEPADIDAE the cavities were confined to one side of the rostrum, presumably the one farthest away from the mud. 1. 2 suggests that 1. Capitulum with 5 or 2 plates, much reduced.. Perforation of the the shell was rolled. (Conchoderma) ................................. 4 "Although the bored belemnites described in this 2. Carina bent abruptly at submedian umbo, basal portion forming a large disc; juveniles on small floating obpaper were collected from only three field stations, jects, adults producing gas-filled float, cirri acanthobelemnite rostra throughout the succession were found ~ o as d in Conchoderma ...........................