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average bags beds bones BRITISH MUSEUM NATURAL carefully cement characters chisel clays cleavage coal Collecting collector's commerce comparatively containing contents convenient corresponding cotton-wool crevice CROMWELL ROAD Customs Officers decaying depend largely deposits dissolved district Docks drying edge enclosed exposed fields fissures flour paste Foraminifera fracture fragment frequently be detected friable geological glue hammer hardened inch long label limestones locality LONDON loose mark mass material matrix Melted paraffin wax metallic meteoric iron mineral moderately moss MUSEUM NATURAL HISTORY nodules note-book organic matter Packing Fossils paper pieces planes plants plaster of Paris possible powder precaution preserved quarries red paint removed right angles rock-specimens sawdust scientific value separate shaft shells showing silicified sketch slab slaty rocks small box solution of gelatine special attention specimen stones straw strips Strong surface thickness thin tightly transport traveller treatment trimming trouble and expense uncovered unfossiliferous vertebrate skeleton warm weak solution wrapped wrapper