Oliveira Martins (1845-1894) y su Historia da civilicao iberica : reflexiones en torno al iberismo.

Se expone, modificada y actualizada, una comunicación presentada en el XXXIII Congreso Luso-Español para el Progreso de las Ciencias, celebrado en 1979 en Badajoz. En la ponencia se hace una reseña biográfica e historiológica de Joaquim Pedro de Oliveira Martins y se analiza su obra 'Historia de la civilización ibérica'. Más que un libro de historia en sentido estricto, se le considera un ensayo filosófico donde se interpreta la historia de los pueblos peninsulares, considerados en su paralelismo y en su travazón dinámica.

Benjamín Palencia (1894-1980) : guía didáctica.

La presente guía didáctica se ha elaborado pensando en el alumnado de Educación Secundaria Obligatoria del área de Ciencias Sociales, Geografía e Historia y de Educación Plástica y Visual, y para el alumnado de Historia del Arte de Bachillerato. Los objetivos que se plantean son los siguientes: A) Valorar el patrimonio artístico, B) Apreciar el hecho artístico, C) Expresarse con actitud creativa, D) Valorar el esfuerzo que supone el proceso creativo, E) Conocer la aportación de los artistas españoles a las vanguardias del siglo XX, F) Visualizar la obra de arte en el museo y G) Analizar el papel de la crítica de arte. La guía consta de fichas de actividades (basadas en la obra de Benjamín Palencia), textos de este pintor, datos de artístas contemporáneos y un breve glosario.

Doña Natalia, 1894-1979.

Título anterior de la publicación : Boletín de la Comisión Española de la UNESCO

Description of two new species of Avicularia Lamarck 1818 and redescription of Avicularia diversipes (C. L. Koch 1842) (Araneae, Theraphosidae, Aviculariinae)-three possibly threatened Brazilian species

Avicularia diversipes (C. L. Koch 1842) known previously only from its original description is redescribed along with Avicularia sooretama sp. nov. and Avicularia gamba sp. nov. The three species are endemic to Brazilian Atlantic rainforest. With other Avicularia species, they share a procurved anterior eye row, slender embolus and medially folded spermathecae, whereas they have unusual characters, such as a very long and spiraled embolus (A. diversipes) and spermathecae with multilobular apex (A. sooretama sp. nov.). Furthermore, the three species lack a tibial apophysis in males and share a distinctive color pattern ontogeny that is not known in any other Avicularia species. The conservation status of the three species is discussed, especially with respect to endemism, illegal trafficking and habitat destruction. The creation of protected areas in southern State of Bahia, Brazil, is recommended, as well as the inclusion of these species in IUCN and CITES lists. Appendices with figures and species information are presented to facilitate correct specimen identification by custom officers, in order to limit illegal traffic.

Establishment of the comet assay in the freshwater snail Biomphalaria glabrata (Say, 1818)

The single cell gel eletrophoresis or the comet assay was established in the freshwater snail Biomphalaria glabrata. For detecting DNA damage in circulating hemocytes, adult snails were irradiated with single doses of 2.5. 5, 10 and 20 Gy of Co-60 gamma radiation. Genotoxic effect of ionizing radiation was detected at all doses as a dose-related increase in DNA migration. Comet assay in B. glabrata demonstrated to be a simple, fast and reliable tool in the evaluation of genotoxic effects of environmental mutagens. (c) 2008 Elsevier B.V. All rights reserved.

Södra Dalarnas hästförsäkringsförening 1885-1894

Undersökningens huvudsyfte är att se om synen på djur, närmare bestämt hästar, skiljer sig åt hos försäkringstagarna i södra Dalarnas hästförsäkringsförening under åren 1885-1894. Dess-utom att utforska vilka som var upphovsmännen till föreningen, och vilka människor som attraherades av hästförsäkringsföreningens verksamhet. Materialet som skall besvara syftet består av protokoll från hästförsäkringsföreningens regelbundet hållna styrelsemöten, och Kopparbergs läns kalender. Undersökningens resultat visar att det hos bönderna som hästägare går att se att hästen värderades högre än ett arbetsredskap, att bruken och bönderna är dom dominerande försäk-ringstagarna och att det var betydelsefulla herrar som låg bakom starten av försäkringsföre-ningen

Growth of the speckled swimming crab, Arenaeus cribrarius (Lamarck, 1818) (Crustacea, Brachyura, Portunidae), in Ubatuba (SP), Brazil

A total of 2629 individuals of Arenaeus cribrarius (1293 males and 1336 females) were captured in Ubatuba (SP), from August 1996 to July 1997. Individuals were distributed in 5 mm size class carapace width (CW), to verify sex-specific growth-age equations. The Von Bertalanffy model was chosen to determine the growth rate and expressed by CW=120.52[1-e(-1.80t)] for males and CW=100.81[1-e(-1.60t)] for females. The age estimated for the first juvenile stage (t(o)) was 6.1 and 8.3 days for males and females, respectively. The maximum age determined was 1.8 years for males and 2 years for females, which correspond to a maximum size of 115.8 and 96.7 mm, respectively. The maximum size (CWmax) estimated using 95% of asymptotic size was 114.5 mm for males and 95.8 mm for females. Males have a precocious sexual maturity (5 months) when compared to females (6.8 months). The growth rate and size of A. cribrarius are higher than other portunid species, with great interest for aquaculture.