SOME ASCIDICOLOUS COPEPODS NEW TO BRITISH AND IRISH WATERS

McArdle, D. (1904) A List of Irish Hepaticae. Proc. R. Ir. Acad. 24: 387-502. Moore, D. (1876) On Irish Hepaticae. Proc. R. Ir. Acad. 2: 591-672. Scannell, M. J. P. and Synnott, D. M. (1972) Census catalogue ofthe flora ofIreland. Stationery Office, Dublin. Suominen, J. (1968) Changes in the aquatic macro-flora of the polluted Lake Rautavesi, SW. Finland. Annls bot. fenn. 5: 65-81. Watson, E. V. (1968) British Mosses and Liverworts. Cambridge University Press, Cambridge.