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Forty-two chemicals were tested for their ability to induce cytogenetic change in Chinese hamster ovary cells using assays for chromosome aberrations (ABS) and sister chromatid exchanges (SCE). These chemicals were included in the National Toxicology Program's evaluation of the ability of four in vitro short-term genetic toxicity assays to distinguish between rodent carcinogens and noncarcinogens. The conclusions of this comparison are presented in Zeiger et al. [Zeiger E, Haseman JK, Shelby MD, Margolin BH, Tennant RW (1990): [Environ Molec Mutagen 16(Suppl 18): 1-14]. The in vitro cytogenetic testing was conducted at four laboratories, each using a standard protocol to evaluate coded chemicals with and without exogenous metabolic activation. Most chemicals were tested in a single laboratory; however, two chemicals, tribromomethane and p-chloroaniline, were tested at two laboratories as part of an interlaboratory comparison. Four chemicals (CI. basic red 9 HCI, 2-mercaptobenzothiazole, oxytetracycline HCI, and rotenone) were tested for SCE in one laboratory and in a different laboratory for ABS. Tetrakis(hydroxymethyl)phosphonium sulfate was tested at one laboratory and the chloride form was tested at a different laboratory. Twenty-five of the 42 chemicals tested induced SCE. Sixteen of these also induced ABS; all chemicals that induced ABS also induced SCE. There was approximately 79"10 reproducibility of results in repeat tests, thus, we conclude that this protocol is effective and reproducible in detecting ABS and SCE.
New data on the distribution were the reported: Buksendya river (153º15’E, 59º12’N), Yama valley (152º59’E, 60º00’N) and Nayakhan river (158º15’E, 62º33’N), mostly single birds in late summer, autumn or early winter. Resident breeding pairs regularly occur only in the Chelomdzha and further to the west – in Inya and Ulbeya valleys, and upper heads of the Kava valley (Fig. 1). New observations in the Inya valley (July-August 1999) and in the Chelomdzha valley (July 2003) have proved that the Blakiston’s Fish Owl dwells in lush flood-plain woods along the middle and lower streams of both of these valleys. Currently, the Blakiston’s Fish Owl steadily occurs within the limits of Kava-Chelomdza forestry of the Magadansky State Reserve (Tarkhov & Potapov 1986), and, most likely, the Chelomdzha valley forms currently the north-eastern limit of the species range. In the Chelomdzha valley the regular duet singing of the Blakiston’s Fish Owl begins from early February. Usually the birds display in the evenings, 20-40 min after sunset. The longevity of evening vocalizations increases from 3-5 min in first week of February to 30-50 min in mid-March. The intervals between strophes vary from 14-55 s, 27 s on average (n = 48). The chicks hatched between 2nd and 5th of May. Daytime hours the parents spend nearby the nest in the crowns of larches. During intense chick’s growth the parents visit the nest 4-5 times in a night. Search for food and hunting takes from 40-60 min. According to photo documents, the parents feed the chicks with sculpins and graylings (18–30 cm in length). The parents spend midnight hours nearby the nest. Becoming 50 days old the chicks leave the nest and roams around supervised by the parents.
Finding the peripheries : sovereignty and colonialism in nineteenth-century international law
(1999)
Seine Ansätze zu einer Ästhetik der Oberfläche entwickelte Semper – gleichzeitig wie Marx seine Theorie des Fetischcharakters der Ware – angesichts der unabsehbaren Auslagen der Kunstindustrie, in denen sich das fortschrittsgläubige Bürgertum des technischen Zeitalters auf den nationalen und internationalen Gewerbeausstellungen feierte und aus denen es seine vitalsten Energien schöpfte. Semper verfasste seine epochemachende Schrift „Wissenschaft, Industrie und Kunst“ als Reaktion auf die Londoner Weltausstellung von 1851, wo Joseph Paxtons berühmter Crystal Palace der neuen Warenherrlichkeit nicht nur reichlich Raum zur Ausbreitung bot, sondern die neuen Materialien Eisen und Glas auch gleich selbst eindrücklich zur Schau stellte. Die Schrift nimmt frühere Überlegungen zur Bemalung antiker Tempel und Statuen auf und mündet später in Sempers Hauptwerk „Der Stil in den technischen und tektonischen Künsten“ (1860–1863). Das Prinzip, unter das Semper seine »praktische Ästhetik« (so lautet der Untertitel des Werks) stellt, ist jenes der Bekleidung. Damit wären wir bei der im Titel angekündigten Mode angelangt. Am Leitfaden der Mode möchte ich im Folgenden die Anfänge einer modernen Ästhetik der Oberfläche bei Semper exemplarisch für die deutschsprachige Kunsttheorie verfolgen. […] Ihre Produktivität ist nicht nur in der von industriell-technischen Entwicklungen inspirierten ›praktischen‹ Ästhetik zu beobachten, für die Semper ein Beispiel ist. Sie schlägt sich ebenso in der von den schönen Künsten und der Kunstphilosophie herkommenden ›idealistischen‹ Ästhetik nieder, wie sie etwa Friedrich Theodor Vischer (1807–1887) vertritt. Hier scheint die Mode ihre für die Reflexion über Kunst innovative Funktion gerade ihrer Randständigkeit, ihrem provokativen Außenseitertum im Verhältnis zum ästhetischen Kanon zu verdanken. Dieser Umstand verbindet sie mit der Karikatur und dem Hässlichen.
Several Coleopterists have been asked to revise the family sections, working from diskettes modified and provided from the original "Beetles of the United States." They will rewrite these sections, and will be recognized as the author of the section. They are asked to sign a writing contract with the publisher. Other Coleopterists have been asked to review the family sections of the new book. These persons are acknowledged in the family section text.
Twenty-two species of Strymon are known from the vicinity of Cacaulandia in Rondonia, Brazil, of which 14 are new species. These belong to 5 species groups: the "oreala" group [Strymon megarus (Godart)]; the "ziba" group [Strymon ziba (Hewitson), Strymon thulia (Hewitson), Strymon spinatus new species, Strymon latamaculus new species, Strymon pallidulus new species, Stlymon tholus new species]; "valentina" group [Strymon rotundum new species]; "crossoea" group [Strymon crossoea (Hewitson), Strymon crambusa (Hewitson), Stlymon germana new species, Strymon novasignum new species, Strymon clavus new species, Strymon implexus new species, Strymon inmirum new species, Strymon incanus new species, Strymon faunalia (Hewitson), Strymon halos new species, Strymon conspergus new species, Strymon bazochii (Godart), Strymon diagonalis new species]; and "eurytulus" group [Strymon bubastus (Stoll)]. Tentative subgroups of species are suggested for the "crossoea" group as they occur in Rondonia. A neotype is designated for Tmolus basilides and the name synonymized with Strymon megarus. The "basilides" group of Johnson et al. (1990) is renamed the "ziba" group. Based on lectotype designations and superficial and genital differences, S. ziba and S. thu.lia are elevated to specific status.
The species of Gigantombra and Angulopis encountered in the Caca ulandia area of central Rondonia, Brazil, are reviewed. These include ten species (all new) of Gigantombra (G. microserrata, G. dl:vergens, G. quadramacula, G. ampla, G. fuscafascia, G. silva, G. rondonia, G. obscura, G. pelplexa, G. pUlpura) and one new species of Angulo pis (A. tenuis). Thecla sangala Hewitson (1868) is recognized as having priority over Theela autoelea Hewitson (1863-1878 [1877]), new synonym. Rondonia continues to appear as a center ofthecline endemism and to provide abundant examples of sibling species diversity.
