Doty, Maxwell S.

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Dr. Maxwell S. Doty


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Now showing 1 - 5 of 8
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    Structure and Reproduction of Cottoniella hawaiiensis n. sp. (Rhodophyta)
    (University of Hawai'i Press, 1958-07) Doty, Maxwell S. ; Wainwright, M.R.
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    Studies in the Helminthocladiaceae (Rhodophyta): Helminthocladia
    (University of Hawai'i Press, 1961-01) Doty, Maxwell S. ; Abbott, Isabella A.
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    Studies in the Helminthocladiaceae, III Liagoropsis
    (University of Hawai'i Press, 1964-10) Doty, Maxwell S. ; Abbott, Isabella A.
    In the first paper in this series of studies of the Helminthocladiaceae (Dory and Abbott, 1961 ), we have shown that, in two species of Helminthocladia from Hawaii, the female reproductive structures are generally similar to those described by other workers for other species in the genus, and that vegetative structures such as internal cortical rhizoids may be used to distinguish at least the Hawaiian species. In the second paper of this series (Abbott and Dory, 1960) a new genus, Trichogloeopsis, was described as containing three species, one new and two transfers from the genus Liagora. They share a major character in common, that of sterile rhizoidal extensions of the gonimoblast, but again the three species may be distinguished from each other by their vegetative structures.
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    Gibsmithia hawaiiensis gen. n. et sp. n.
    (University of Hawai'i Press, 1963-10) Doty, Maxwell S.
    A new genus , Gibsmithia, is described and tentatively placed in the Dumontiaceae of the red algal order Cryptonemiales. Its diagnostic features are: possession of auxiliary cells in specialized filaments separate from those bearing the carpogonia; the known sexual structures occurring in sori at the tips of soft, gelatinous branches which arise from perennial round stems so as to form a hemispherical head; cruciate tetraspores borne on filaments protruding from the surface of the branches and these same branch filaments often bearing terminal seirospores. The type species of the genus is G. hawaiiensis, known only from the island of Oahu in the Hawaiian Islands.
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    Transfer of Toxic Algal Substances in Marine Food Chains
    (University of Hawai'i Press, 1970-07) Doty, Maxwell S. ; Aguilar-Santos, Gertrudes
    Alcoholic and ether extracts of obligate herbivores, omnivores, and detritus feeders common on Caulerpa or in its communities were found, via comparative, and sometimes quantitative, thin-layer chromatography, to contain varying amounts of caulerpicin, caulerpin, palmitic acid, and ß-sitosterol or to lack them. Cerithium and soft corals, which may be either omnivores or carnivores, on occasion contain caulerpicin. The crustacean detritus feeders did not seem to preserve either caulerpicin or caulerpin. It seems well demonstrated that caulerpicin and caulerpin, which, as produced by Caulerpa, are physiologically active and toxic to rats and mice, respectively, are transferred along the food chains and concentrated in the process at least in some herbivores.