Biology of the Antarctic Seas XIII by Louis S. Kornicker

By Louis S. Kornicker

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Published through the yank Geophysical Union as a part of the Antarctic study Series.

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2:1. Brachials smooth and rounded, without ornamentation. 1 mm. 2 lations mm. There are 0-12 between syzygies muscular on the outer articu- arm. Type locality. No holotype has been designated. The description was based on specimens from the following two Challenger sta- First syzygy varies from 2+3 to 13+14, most frequently at 3+4. Second syzygy varies from 5+6 to 19+20, most frequently at 11+12. 20o45'S x 178o11'W; 1152 m. and Sta. 174 (B, C, or D); about 19o06'S x about 178o18'E; 466, 1115 or 384 m.

One small specimen is de- scribed first. A description of five large calyces follows. 2 ram, with a small spinous dorsal pole. Cirrus sockets 19, arranged in 10 columns. Cirri missing or broken after four to six segments. First three cirrals short, fourth longer than broad, fifth and sixth much longer than broad. First three cirrals with flared, spinous distal edges cupped around next segment. Edges of division series and radials with mm. of spines on distal base CHARITOMETRIDAE Glyptometra inaequalis (P.

No. at first syzygy third muscular articulations Max. no. 0 85-180 80-150 131 112 3+4-9+10 .... 6+7-14+15 .... 10+11-19+20 .... 20 36 35 41 41 muscular articulations Pinnules No. pinnulars P1 Length P1, mm No. 0 P1-P5 to nearest .... 5 degrees. interradial furrows on the centrodorsal, varies from deep broad furrows on the type- specimen of balanoides to shallow, moderately narrow furrows on the type of elongata (Table 9). The present specimen of Balanometra differs from both previous specimens in having narrow plane interradial areas.

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