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 ...

It is one of the triumphs of contemporary science that we have a means of naming and referring to all described organisms on Earth, as well as their fossil ancestors. It was Carl Linnaeus who realized ...

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 ...