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Embryo development in a hen's egg, 1822. From The Royal Society, PT/73/9/36
Observations on the Changes the Egg Undergoes duri...
Vibrio tritici nemotode worms
Fossil teeth of rhinoceros and horse
Fossil teeth of hippopotamus
Fossil teeth of oxen, deer and elk
Fossil deer teeth and antlers
Fossil bones of horse, ox, hyaena, fox, water-rat,...
Fossil teeth and bones of water-rat, mouse, rabbit...
Vertical section of the great cave at Gailenreuth
Map, Cleveland, Yorkshire and Kirkdale Cave
Baffin's Bay red snow fungus
Machine for sampling sea-water at depth
Improved machine for sampling sea-water at depth