The fossil record of spiders as currently known is briefly reviewed, with special reference to Africa. The second specimen of Triassaraneus andersonorum Selden in Selden et al. 1999 is described from a different locality in the Triassic (Carnian, c. 225 Ma) Molteno Formation of South Africa.

Hydrological data (e.g. rainfall, river flow data) are used in water resource planning and management. Sometimes hydrological time series have gaps or are incomplete, or are not of good quality or are not of sufficient length. This problem seems to be more prevalent in developing countries than in developed countries. In this paper, feed-forward artificial neural networks (ANNs) techniques are ...

Professor George Nuttall founded the Journal of Hygiene in 1901. With time, the journal attracted an increasing number of papers on parasitological subjects that promptedNuttall to found another journal, Parasitology, in 1908. He edited both journals until his sudden death in 1933, and indeed it is recorded that initially he personally took responsibility for the substantial costs of production...

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Kalpana Lal a,1, Christophe J. Noel b, Mark C. Field c, David Goulding d, Robert P. Hirt b,∗ a Department of Zoology, The Natural History Museum, South Kensington, London SW7 5BD, UK b The Devonshire Building, School of Biology and Psychology, The University of Newcastle upon Tyne, NE1 7RU, UK c The Molteno Building, Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge...

rainage devices are an efficient surgical treatment for esistant glaucoma or when previous filtrating surgery fails. here are 2 types of these devices: those comprising valves, n which the device includes a restriction at the outlet of he aqueous, and devices without valves in which the tube onnects with a dish without any type of restriction. Of the ormer, the best known is the Ahmed implant, ...

PURPOSE To evaluate intraocular pressure (IOP) and visual acuity (VA) results after glaucoma drainage device (GDD) implantation combined with simultaneous pars plana vitrectomy (PPV). MATERIAL AND METHODS Retrospective review of 8 eyes (7 patients). The diagnosis was neovascular glaucoma (NVG) secondary to proliferative diabetic retinopathy in 4 eyes, in a which a double plate Molteno implant...