Pacific Science Volume 23, Number 4, 1969

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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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    23: Index - Pacific Science
    (University of Hawai'i Press, 1969)
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    Notes. A Note on the Genus Drosophilella Duda (Diptera; Drosophilidae)
    (University of Hawai'i Press, 1969-10) Wheeler, Marshall R.
    The generic name Drosophilella was first published by Duda (1923:25) in the combination "Drosophilella seminigra n.sp." D. seminigra, then, is the type species by monotypy. However, he apparently intended to publish it as a new genus, with two new species, in another article, written earlier but published a year later (Duda, 1924a). The two species were D. seminigra and D. colocasiae, the former from Friedrich-Wilhelmshafen (now Madang), New Guinea, and the latter from Nongkodjadjar, Java, collected from the plant Colocasia antiquarum (Schott).
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    Monograph of the Hawaiian Species of Gouania (Rhamnaceae). Hawaiian Plant Studies 34
    (University of Hawai'i Press, 1969-10) St. John, Harold
    The genus Gouania was early noted as a part of the Hawaiian flora by F. J. F. Meyen (1835), and he described a new species, basing it upon his own collection made on Diamond Head, Oahu, in 1831. He published the species in his narrative (1835:150) as G. integrifolia, but this epithet was a homonym of the earlier one for another species by Lamarck. When Walpers prepared the botanical report on the collections of this voyage of the "Prinzess Louise," he realized that Meyen's binomial was unavailable, so published it anew (1843:323) as Gossania orbicularis. There was no existing genus Gossania, and it is evident that no new genus was intended. The generic name was apparently the printer's attempt to reproduce the author's handwriting, and it was not corrected in proofreading. It is apparent that Walpers intended to publish the binomial Gouania orbicularis. It was so listed in the Index Kewensis, and this rendering seems to be correct. However, this second binomial was unnecessary, as in 1840 Steude1 had already published for it the valid name Gouania Meyeni (Steudel, 1840:703).
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    Distribution and Characteristics of Dikes in the Southeast Part of the Koolau Range, Oahu
    (University of Hawai'i Press, 1969-10) Bigelow, Gordon E.
    Exposed dikes and sills trending southwest and roughly perpendicular to the primary Koolau rift zone in the Waialae-Palolo area of Oahu are hypersthenebearing tholeiitic rocks, intrusive equivalents of the Koolau Series basalt flows. No Honolulu Series intrusives were located along a line joining Kaau Crater, Mauumae, Kaimuki, and Diamond Head, a secondary rift of the Koolau volcano. Mineralogy of the Koolau intrusives displays a striking chemical and morphological constancy. Feldspar crystals in these rocks show antipathy to ore inclusions. Cumuloporphyritic texture is strongly developed and may be related to flow patterns evident in groundmass minerals.
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