Pacific Science Volume 36, Number 1, 1982

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Pacific Science is a quarterly publication devoted to the biological and physical sciences of the Pacific Region.

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    36:1 Table of Contents - Pacific Science
    (University of Hawai’i Press, 1982-01)
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    Photographic Investigations on Three Seamounts in the Gulf of Alaska
    (University of Hawai’i Press, 1982-01) Raymore, Paul A Jr.
    Geological and biological features of three of nine Gulf of Alaska seamounts surveyed by the National Marine Fisheries Service during the summer of 1979 are compared and discussed. A modified free vehicle photographic system, which produced the first photographs of the fauna and substrate on the summits of Patton, Giacomini, and Quinn seamounts, is described. Interpretations of echo sounding data, a limited number of rock samples, photographs from the seamount summits, and exploratory fishing catches are also presented. Geological features described as characterizing the summits of the three surveyed seamounts seem consistent with similar features described from other Pacific basin seamounts (Hess 1946, Menard and Dietz 1951, Murray 1941, Palmer 1966). The taxonomic composition of the observed epibenthic invertebrate fauna, and demersal and benthopelagic fishes, is discussed. Patton seamount is described as having the greatest taxonomic diversity. Photographs from the summits of Patton, Giacomini, and Quinn seamounts are presented.
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    Note on the Fossil Garcinia laddii Fosberg
    (University of Hawai’i Press, 1982-01) kostermans, AJGH
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    A Review of the Monotypic Indo-Malayan Labrid Fish Genus Xenojulis
    (University of Hawai’i Press, 1982-01) Randall, John E. ; Adamson, Thomas A.
    The labrid fish genus Xenojulis de Beaufort seems most closely related to Macropharyngodon Bleeker, differing principally in the pharyngeal dentition. It consists of a single species, X. margaritaceus (Macleay), which is known from New Guinea, the Philippines, and Western Australia. Xenojulis montillai de Beaufort is a junior synonym based on the terminal male form.
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    Distribution Patterns of Terrestrial Hermit Crabs and Enewetak Atoll, Marchall Islands
    (University of Hawai’i Press, 1982-01) Page, H.M. ; Willason, S.W.
    Habitat utilization, population structure, and activity were investigated for members of the family Coenobitidae on three islets at Enewetak Atoll, Marshall Islands. Small Coenobita perlatus ( < 8.0-mm carapace length) were more abundant in the beach habitat than medium-size (8-l9-mm carapace length)C. perlatus, C. rugosus, C. brevimanus, or Birgus latro. Large C. perlatus (2: 20-mm carapace length) were present on the beach only at night and engaged primarily in reproductive behavior. Coenobita rugosus on the beach at night were generally females which either had recently released their eggs and larvae into the lagoon or had eggs ready for hatching on their pleopods. The size at maturity was much smaller for the C. perlatus population on Bokandretok as compared with populations on Ikuren and Mut. The scarcity of medium-size individuals may result from a scarcity of suitable Turbo shells.
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