TAY-with-CYNON, a hamlet, in the parish of MERTHYR-TYDVIL, hundred of CAERPHILLY, county of GLAMORGAN, SOUTH WALES 6 Miles (S.) from Merthyr-Tydvil: the population is included in the return for the entire parish. In this hamlet the Calarnorganshire canal proceeds along the Vale of the TM, to Merthyr; and-fuss this,:immediately below it, branches the Aberdare ,eanal, throngh the valley of the. Cynon,. to Aberdare. To connect these lines if navigation with:the main trunk from Cardiff _there is a fine cipeduct ewer the liver T.a4 near the opet where it: is crossed by a bridge en .the .road to those places. The hooka of the ,Tiiif we here finely .wooded, presenting some .beastifel views and vivolel agreeablesesidenros, especially in.the Vale of the Cynon. A portion of the kaletis ieolndad rthe iiaails of the new borough of Merthyr.