940 ADDENDA. 



Young, B. Porphyritio Dykes near Ballynahlnch, Co. Down. Proo, 



Belfast Nat. Hist. Sc Phil. Soc. 1875-76, pp. 34-37. 

 Describes a dyke in L. Silurian shales and grits, varying in breadth 

 from 30 to 60 feet. 



Catalogue of the Japanese Collection at the Philadelphia Exhibition. 



Pp. 130. 

 Describes the resources of the country. The Mineral resources are 

 noticed in Irony n.. s. toI. viii. p. 294, 



