CHAP. XIV. SOME UNUSUAL F0R3IS. 273 



one weighs five and a quarter pounds, and I have another of eleven 

 pounds. The form i, of which I have several examples^, is con- 



sidered by Mr. Thomas Ewbank ^ to be a " hollowing-hammer for 

 metal/' and it is possible that those marked A, B and C (and their 



1 At p. 137 of the Report by Lieut. Gilliss, already quoted, Mr. Ewbank 

 says, — "The groove worked round the middle was the universal device by which 



2N 



