A Review of the Hydridae and Two New Species of Hydra from Natal
- 1Two new species of Hydra from Natal are described.
- 2The classification of the Hydridae is discussed. It is concluded that Schulze's genus Pelmatohydra is no longer valid and the genus Hydra should be extended to include the forms previously classified as Pelmatohydra. It is considered desirable to defer consideration of subspecific classification until the descriptions of many of the species have been completed:
- 3Summaries are given of the descriptions of the species known to date.