Freshwater hydra dissection Size:Large: 7 x 5in reading the inscription on a

reading the inscription on a monument

Edwards Septem 1 AD1759

showing area around Holborn

by his father

Freshwater hydra dissection Size:Large: 7 x 5in reading the inscription on aZoological study showing a dissected specimen of freshwater hydra illustrating the prey arms. Plate 9 from Memoires pour server a l'histoire d'un genre de polypes d'eau douce by Abraham Trembley (Leiden, 1744). The plate is inscribed: 'P. Lyonet delin. et sculp. 1743.' The Swiss natural historian Abraham Trembley (1710 1784) was elected a Fellow of the Royal Society in 1743. His book, from which this plate is taken, gives an account of experiments