This Day in History: 1800-05-25

Leonard Jenyns (1800 – 1893) was born on this day.
He was an English clergyman and naturalist, the original choice for the naturalist on the second voyage of HMS Beagle but declined the offer, leaving the position to be filled by Charles Darwin. Jenyns went on to author part 4, Fish The zoology of the voyage of H.M.S. Beagle. Edited and superintended by Charles Darwin (1838 – 1843). He was a founder member of both the Ray Society and the Zoological Society of London. Jenyns had to change his name to Blomefield under the conditions of an inheritance (1871).

Jenyns is on record as having described 143 aquatic taxa, of which 137 represent those fishes collected by Darwin. He is honoured in the names of a number of species under jenynsi(i).