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Ovum of a hen and egg yolks, 1822. From The Royal Society, PT/73/9/35
Observations on the Changes the Egg Undergoes duri...
Vibrio tritici nemotode worms
Map, Cleveland, Yorkshire and Kirkdale Cave
Kirkdale Cave, Yorkshire
Embryo development in a hen's egg
Hen's egg and dissected embryo
Fossil rhinoceros horn
Goose head and eye
Baffin's Bay red snow fungus
Dugong pelvic bones
Machine for sampling sea-water at depth
Improved machine for sampling sea-water at depth