Nature Gardens at NHM: LA's Urban Nature

Showing posts with label : planaria

October 24, 2013

Immortal Worms Found in L.A. Pond!

Yay, we just found flatworms in the Museum pond! You know, the worms that some of us (I'm not naming names) might have cut up with a knife in high school biology class. But don't worry! These worms are, "immortal under the edge of a knife." At least, that is how the noted flatworm specialist, John Graham Dalyell Esquire, described them in 1814.

An Immortal Worm, also known as a Planarian.

Dalyell goes on to describe their regenerative capabilities, in his distinctive early 1800s prose:

"Certain animals, though liable to perish by simple evaporation of their surrounding fluid, can, in other circumstances, endure privations apparently inconsistent with life itself. What prove deathly wounds to the majority of creation, only serve to awaken in them the active principle of an inexhaustible reproductive power. The perpetuation of...