Pacific Science Volume 27, Numbers 4, 1973

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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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    A Description of the Sea Anemone Stomphia didemon sp. nov. and Its Development
    (University of Hawaii Press, 1973-10) Siebert, Arthur E Jr.
    Stomphia didemon is described as a new species of sea anemone from the San Juan Archipelago, Washington. It possesses about 192 tentacles and 96 pairs of mesenteries. The cnidom is spirocysts, basitrichs, microbasic b-mastigophores, and microbasic p-mastigophores. S. didemon spawned in April and May. The eggs are 750 to 800 /lm in diameter, orange, and centrolecithal; cleavage is superficial, equal, and incomplete. Endoderm formation is by unipolar ingression from a fold in the surface of the blastula. Settlement of the planulae is favored by the presence of sand or gravel. Attempts were made to fertilize eggs of S. coccinea with sperm from S. didemon, but the cross-fertilized eggs failed to develop.
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    A Review of the Damselfish Genus Chromis from the Hawaiian Islands, with Descriptions of Three New Species
    (University of Hawaii Press, 1973-10) Randall, John E. ; Swerdloff, Stanley N.
    The pomacentrid genus Chromis is represented by eight species in the Hawaiian Islands: vanderbilti, leucurus, agilis, ovalis, verater, and the new species acares, hanui, and struhsakeri. Agilis and hanui were formerly confused as color phases of leucurus. Ovalis, verater, hanui, and struhsakeri are known only from the Hawaiian region, the latter from depths of 103 to 184 meters. The range of vanderbilti is extended to other central and western Pacific localities; acares is described from Johnston Island and other islands of Oceania; leucurus is recorded from the Marquesas Islands, and verater from Johnston Island. The genera pycnochromis, Thrissochromis, Serrichromis, Lepicephalochromis, and Siphonochromis described by Fowler (1941-1946) are referred to the synonymy of Chromis. Daseyllus caudofasciatus Montalban is a junior synonym of Chromis lepidolepis Bleeker. Siphonochromis lepidostethicus Fowler and Lepicephalochromis westalli Whitley are junior synonyms of Chromis isharae (Schmidt).
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    Generic Diversity of Scleractinian Reef Corals in the Central Solomon Islands
    (University of Hawaii Press, 1973-10) Weber, Jon N.
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    Pacific Ocean Equatorial Temperature and Wind
    (University of Hawaii Press, 1973-10) Montgomery, R.B.
    Equatorial ocean temperatures at long. 1650 W during 1957-1971 are presented. Their correlation with Canton Island surface wind is found to be -0.57, which is not so close as might be expected from a recent paper by Hires and Montgomery. When the annual cycles are removed, the correlation becomes - 0.69. The annual cycle of Canton Island wind shows a primary maximum in August and a secondary maximum in February-March, somewhat inverse to the previously found cycle of equatorial temperature.
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