As the sediment settles the delta is extending seaward

TCD MS 10515 folio 20r

TCD MS 10515 folio 20r

[March 8th 1916]Corvus possessing white or grey in their plumage tend to vary greatly in respect of that colour. The grey neck of the jackdaw is a variable feature; the Indian House Crow differs in the lightness of its grey plumage in the North & South of India and the Hooded Crow is from the same feature, divided into different species. The Tigris and Euphrates carry down to the sea an enormous quantity of sediment. The ocean for miles around is impregnated with it; far out of sight of land the silt laden waters carry their burden to the bed of the sea. As the sediment settles the delta of the river is rapidly extending seaward; it is actually silting up the Gulf. The fertility of the soil deposited in the delta must be excep-