Fresh Water Hydra
The curious Freshwater Hydra is seen expanding and contracting its telescopic body, and waving its numerous arms. Myriads of tiny animalcule which form the food of the hydra, swim restlessly... Read allThe curious Freshwater Hydra is seen expanding and contracting its telescopic body, and waving its numerous arms. Myriads of tiny animalcule which form the food of the hydra, swim restlessly about in all directions, presenting with the movements of the hydra a scene of great anim... Read allThe curious Freshwater Hydra is seen expanding and contracting its telescopic body, and waving its numerous arms. Myriads of tiny animalcule which form the food of the hydra, swim restlessly about in all directions, presenting with the movements of the hydra a scene of great animation. Magnified 25 diameters.