| Author | Soar, C.D. & Williamson, W. |
| Year | 1929 |
| Title | The British Hydracarina |
| Type | Book/Report |
| How Complete | Covers all UK species known at the time |
| Source | Vols 110, 112 & 115, The Ray Society, London |
| Illustrations | Colour paintings and numerous plates of line drawings |
| Review (by Malcolm Storey) | Three volumes: 1925, 1927 and 1928. The only work to date describing the British Watermites, but now very old, long out of print and practically unobtainable. |
| Examine |  Compound Microscope |
