A Possible Case of Hydrocephalus in a Medieval Child from Doonbought Fort,Co. Antrim,Northern Ireland

Hydrocephalus is a condition that is rarely found in the palaeopathological record. It has been demonstrated in a modern study of untreated cases of hydrocephalus that 50 per cent of children suffering from the disease die within the first 18 months of life. It is probable that the situation was the same in archaeological populations and that the delicate nature of neonatal and infant crania accounts for the paucity of palaeopathological evidence. As far as the author is aware there are approximately 30 possible cases of hydrocephalus known in the archaeological record throughout the world and only two of these cases originated in the British Isles. The following report presents evidence of a case of possible hydrocephalus in a 6–7-year-old juvenile from Northern Ireland. The skeleton was recovered from a post-thirteenth century context during excavations at the secular medieval fort of Doonbought, Co. Antrim. The diagnosis of hydrocephalus has been made on the basis of the abnormal and enlarged morphology and increased cranial capacity of the cranium. The only other palaeopathological lesion present in the remains was cribra orbitalia.     

2. SOME KEYWORDS TOWARD DECOLONIAL METHODS: STUDYING SETTLER COLONIAL HISTORIES AND ENVIRONMENTAL VIOLENCE FROM TKARONTO

This article provides keywords and reflections for decolonial methods, drawing on insights from the Indigenous-led Land and the Refinery project, which concerns the history of Canada's Chemical Valley. This project is crucially organized as Indigenous people co-researching the Imperial Oil Refinery, not as academics studying Aamjiwnaang, and asks how Indigenous and decolonial methods might reorient the use of archives toward other futures. Together, the keywords begin to outline a particular place-based theory of change within decolonial historical practice.     

OBTAINING PROBABILISTIC ESTIMATES OF DISPLACEMENT ON A LANDSLIDE DURING FUTURE EARTHQUAKES

The assessment of earthquake triggered landslide hazard may be undertaken using both deterministic and probabilistic techniques. Probabilistic methods have been developed because much of the data can be considered as random variables where parameters such as the angle of internal friction and moisture content do not have a single fixed value but may assume any number of values across a range. This random variability can be modelled by a probability density function (PDF) which describes the relative likeli-hood that a random variable will assume a particular value. Instead of using just the average or expected value of an input parameter, the complete range of possible values can be used to estimate a range of possible outcomes. Thus the probability of a slope being unstable can be obtained rather than a single indicator of stability. Such proba-bilistic analyses allow for the incorporation of the likely variability of each parameter and therefore allow a more intimate assessment of slope stability to be derived. Utilising empirical relationships for calculating earthquake ground motions and associated slope displacement, an investigation was undertaken to identify the contribution that modern simulation techniques could make to the assessment of earthquake-triggered landslides. To achieve this, geotechnical and earthquake data obtained from a deep-seated landslide triggered during the M _w 7.0 Loma Prieta earthquake was used. By incorporating the variability of the geotechnical parameters and the uncertainty in earthquake location the model derived the probabilities associated with increasing amounts of slope displacement during future probable earthquakes. Analysis was undertaken for four of the principal fault segments in the San Francisco Bay area. These estimates were then combined with the occurrence probabilities of the earthquakes to provide temporal estimates of dis-placement for a 30 year period. Results indicated that a M _w 7.0 earthquake located on the Peninsula Segment of the San Andreas fault was most hazardous with a 11% chance of minor slope displacement (≥0.10 m) and a 6% chance of moderate slope displacement (≥0.30 m) within the next 30 years.     

Restructuring of Sydney's Central Industrial Area: Process and Local Impacts

Since World War II Sydneys central industrial area has lost more than 80 per cent of its manufacturing workforce and no longer the dominant centre of manufacturing in Sydney, is now just one of a number of important centres. Unlike inner cities of the United Kingdom and United States, de-industrialisation in Sydney's central city has not caused a trapped population of displaced workers The first aim of this paper is to outline the restructuring of the central industrial area Two major periods of restructuring can be distinguished Up to the early I9 70s change in the industrial area was driven by intra- metropolitan forces. Since then international forces, and related major infrastructure developments, have substantially accelerated job bss. The second aim is to document the impacts which restructuring has had on the inner city workforce Jobs lost up to the early 1970s did not disadvantage inner city workers because employers as well as workers were moving to the suburbs Since then inner city workers in traditional blue collar occupations have been more strongly affected by de-industrialisation than the city as whole but the numbers involved have been too small to have been of much political interest Social problems in the inner city resulting from restructuring in the industrial area have been masked by strong gentrification.