358
THE ESSEX NATURALIST
TONSHIRE—nr. St. Andrews Mill (Thompson 1886), Blazeley's
Mill, Corford's Mill, Heyford, Milton Brook, Tecton Brook all R.
Nene, Castlethorpe, Stoke Bruerne both R. Tove (Tomalin 1887).
NOTTINGHAMSHIRE—Mansfield R. Maun (Carr 1904), Shireoaks
nr. Worksop (Stebbing 1906). OXFORDSHIRE—Salford (Plott
1677), R. Windrush, R. Evenlode, R. Glyme, Dorn, Witney (Lownes
1939), Islip R. Cherwell Mill Farm Somerton, Twyford Mill nr.
Bicester (B.M.). RUTLAND—Manton Brook (Stebbing 1908b).
SHROPSHIRE—Forest of Wyre, Oakley Park, nr. R. Wem (Steb-
bing 198c). STAFFORDSHIRE—R. Dove trib., Wimshill Brook
(Stebbing 1908d). SUFFOLK—nr. Chain Brdge R. Bat, Onehouse
Inn nr. R. Rattlesden (Anon 1932), Clare, Deben nr. Easton (Anon
1934), R. Gipping, Stowmarket, R. Wavney (Stebbing 1911).
SURREY—Weybridge R. Wey (Stebbing 1920e). WESTMORLAND
—R. Bela (Stebbing), R. Leith trib. R. Eden, High Borrars, Willie
Keld Becd draining into R. Eden (Tattersall 1920). WILTSHIRE
— Downtown R. Avon (B.M.), Salsibury (B.M.). WORCESTER-
SHIRE—Crowle Brook, Dick Brook, Dowles Brook all nr. Bewdley,
Worcester Bridge R. Severn (Stebbing 1901). YORKSHIRE—R.
Aire (Smith 1937), R. Bain (Clark 1929), Bingley (Smith 1932d),
Bradford Moor Park pond (Smith 1939), Bramham Park
(Procter 1929), Burley-in-Wharfedale and Burnsall (Smith 1932a),
Cawthorn Beck R. Dearne (Bayford 1931), Cod Beck trib. of R.
Swale (Anon 1931), Copgrove R. Yore (Smith 1939), R. Cover
(Smith 1930), Craven district, R. Crimple (Stebbing 1907), Daking
Brook R. Dearne (Smith 1932a), Ellerbeck Skipton (Smith
1930), Fell Beck (Clarke et al, 1886), Forge Valley Beck R. Der-
went (Clarke 1931), Gargrave (Smith 1932), Gomrie Becu nr.
Thirsk (Stebbing 1907), Gundrith's Beck R. Nidd (Dent 1931).
Hackness Valley R. Derwent (Clarke 1931), R. Hartford trib. of
R. Derwent (Smith 1937), Hawes R. Yore (Stebbing 1907),
Helmsley R. Rye (Smith 1932): Ingleton Dale Beck nr. Beasley
Falls (Stebbing 1907), Leeds Liverpool Canal (Wattam 1931).
Ling Ghyll R. Ribble (Brown 1930), Malham Tarn (Smith 1932a),
nr. Masham (Stebbing 1907), Meanwood Valley Adel (Smith
1939), Millington Beck nr. Pocklington (Stebbing 1907), Oak Beck
R. Nidd (Smith (1932a), Otterburn Beck, Riffa Beck (Smith 1935),
Roundhay Park Lake Leeds (Butterfield 1936), Lake Semmer-
water (Sheppard 1914), Scoreby R. Derwent (Smith 1939), Shaw
Mill Beck R.Skell (Tute 1890), Silsden (Smith 1932a), Ski Bridge
R. Nidd (Smith 1939), Skibden Beck Draughton (Smith 1930), nr.
Skipton R. Aire (Stebbing 1907), Thornton-le-Street, (Smith 1932),
Tong Park Baildon (Smith 1932a), Tunstall Beck (Smith 1930), R.
Ure (Stebbing 1907), Wensleydale R. Ure (Clarke 1929), R. Wharfe
Yedingham (Smith 1932), R. Yore (Smith 1932a).
Ireland
CO. DUBLIN—R. Dodder (B.M.), nr. Finglas (Rutty 1772). CO.
CORK—(Rutty 1772). CO. FERMANAGH—no spec. loc. (B.M.),