Subject ASC0000fo5
Magazine of natural history and journal of zoology, botany, mineralogy, geology and meteorology.
v. 4 (1831), Page 376 (1831)
Natural History Museum Library, London
BHL Page 2269733
Keywords
ironstone shells Encrinital screwstone Pecten fossil fossils Diluvial Gravel encrinital screwston leaves diluvial gravel gravel shell freshwater mussel entrochi pecten siliceous pebble echini terrebratulae plants fossile stem calamites flags Entrochi chert pebble crinoid clam shellfish dilvuial grave biology flint casts ironstone nodule leaf encrinital remains sehlls animals invertebrates bivalve mollusc scallop animal invertebrates stone siliceous observations silicious pebble