Hydra

Nature's enigma: the problem of the polyp in the letters of Bonnet, Trembley, and Réaumur

Virginia P. Dawson.

The biology of Hydra and of some other coelenterates, 1961.

Edited by Howard M. Lenhoff and W. Farnsworth Loomis.

Gidra: ot Abraama Tramble do nashikh dneĭ

S.D. Stepanʹi︠a︡nt︠s︡, V.G. Kuznet︠s︡ova, B.A. Anokhin.

Cor Hydræ (Heart of the Snake): Twisted Tales

Jono Borden

A hydra goes walking

Bill Martin, Jr.

The Cell Biology of Hydra

Thomas L. Lentz

Medusæ of the Bahamas.

By Alfred Goldsborough Mayer. With seven plates.

Inheritance in the asexual reproduction of Hydra

K.S. Lashley.

©ber den Bau und die Entwicklung von Cordylophora lacustris (Allman) : nebst Bemerkungen ©ơber vorkommen und Lebensweise dieses Thieres

von Franz Eilhard Schulze

L'effet Trembley, ou, La naissance de la zoologie marine

Marc J. Ratcliff