These drawings show the characteristic, species-specific pigment patterns of both 'leech varieties' in remarkable detail. Cuvier's original figures are of the same quality as recently published ...

The Library's Linnaean collection is due chiefly to the efforts of Basil H Soulsby (1864–1933) who took charge of the Museum's General Library in 1920. By the time he retired 10 years later, Soulsby ...

For two years in the late 1970s I followed in the footsteps of Carl Linnaeus: I toiled in the field of taxonomy. The small corner of nature's jigsaw puzzle that I tackled was a group of marine sponges ...