92 



Guide to Belfast. 



The alluvial deposits of the river Bann yield diatoma- 

 ceous earth in large quantities at Toome and at Portglenone. 

 The kiesulguhr works of Mr. Grant at Toome are of con- 

 siderable interest and importance. Diatomaceous earth is 

 also found at Lough Mourne, above Carrickfergus. Shell 

 marls are found in various localities, as at Ballyfinder, near 

 Portaferry. 



Extensive sand dunes are found at Portrush, Bushmills, 

 White Park Bay, in County Antrim, and at Newcastle, and 

 around the shores of Dundrum Bay, County Down. These 

 dunes and the raised beaches are among the archaeologist's 



Occurring i 



Photo. 

 ANCIENT STOR.M BEACHES, NEWCASTLE. 

 iiler Saiiil D.mes, in which are found Flint Implements, Kitclien Middens, 

 and Primitive Pottery. 



hunting-grounds for the remains of primitive man : kitchen 

 middens, old refuse heaps of shells, bone and charcoal, 

 pottery, flint implements, flakes and cores, are of frequent 

 occurrence in these localities. 



Bogs are widely distributed over the higher grounds of 

 Antrim ; and associated with the bogs the remains of old 

 lake-dwellings, or crannoges, are not infrequent. Some of 

 these have been systematically explored, with the result 

 that stone and bronze implements, glass bead^, bronze and 



