. Collected reprints, Essa Institute for Oceanography. Oceanography 1482 HSIN-YI LING AND WILLIAM A. ANIKOUCHINE. 50 - 100 X o o 150 200 250 «" JAVA TRENCH CORE ] LUTITE FS| SILTY STREAKS - ABSENT + PRESENT (SINGLE SPECIMEN) r RARE (2-5 SPECIMENS) f FREQUENT (6-10 SPECIMENS) C COMMON (11-25 SPECIMENS) Q ABUNDANT FRAGMENTS Text-fig. 2—Distribution of some Radiolaria in the Java Trench core. the samples from the Indo-Pacific region fur- nishes additional evidence that such variation in degree of patagium seems to be neither a rare phenomenon nor biogeographically significant.
. Collected reprints, Essa Institute for Oceanography. Oceanography 1482 HSIN-YI LING AND WILLIAM A. ANIKOUCHINE. 50 - 100 X o o 150 200 250 «" JAVA TRENCH CORE ] LUTITE FS| SILTY STREAKS - ABSENT + PRESENT (SINGLE SPECIMEN) r RARE (2-5 SPECIMENS) f FREQUENT (6-10 SPECIMENS) C COMMON (11-25 SPECIMENS) Q ABUNDANT FRAGMENTS Text-fig. 2—Distribution of some Radiolaria in the Java Trench core. the samples from the Indo-Pacific region fur- nishes additional evidence that such variation in degree of patagium seems to be neither a rare phenomenon nor biogeographically significant. In the present investigation, only those pata- gium-bearing Radiolaria and the forms that are morphologically closely related are treated. ACKNOWLEDGMENTS The authors are indebted to Captain Harold J. Seaborg, Seattle Regional Office, Coast and Geodetic Survey, and Mr. Ted V. Ryan, Pacific Oceanographic Laboratory, Environmental Sci- ence Services Administration, Seattle, Washing- ton, for their kind permission to use samples from the trench-sediment cores for the present study. Special thanks are due Mr. Frederick J. Collier, Smithsonian Institution, for kindly ar- ranging the loan of Martin's (1904) type speci- mens, and to Mr. William R. Riedel, Scripps Institution of Oceanography, University of California at San Diego, and Dr. Catherine Anne Clark Nigrini, Department of Geology, North- western University, for their constructive advice and critical reading of the manuscript. The Plates 189 & 190 are transposed. authors, however, bear the sole responsibility for the contents of the paper. Technical assistance received from Mr. Donald R. Doyle and Mrs. Shirley J. Patterson during the preparation of the manuscript was most helpful. The investigation was supported financially by Office of Naval Research contract Nonr 477 (37), project NR 083 012, and National Science Foundation grant GA-297. The latter grant also allowed the senior author to examine the radio-. Pleas
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