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Ovaries of an American Opossum, 1819. From The Royal Society, PT/73/7/16
On the Ova of the Different Tribes of Opossum and ...
Map, Cleveland, Yorkshire and Kirkdale Cave
Vibrio tritici nemotode worms
Kirkdale Cave, Yorkshire
Baffin's Bay red snow fungus
Machine for sampling sea-water at depth
Improved machine for sampling sea-water at depth
Figures de l'examen theorique du nouveau systeme d...
The Bendego meteorite
Optical effects observed during experiments on the...
Miners' safety lamp