and shale. The lowest row on this card are, more or less, glob- 

 ular in form, and of smaller size. Diameters, | inch to i\ inches. 

 B741 to B760, mounted on card 28. 

 Whorls which, like the preceding, are formed mainly of sand- 

 stone ; a few are of shale. B745 is of earthenware. B757, 

 B758, B759, have the perforations enlarged and worn down 

 to one side, as if by the working of a spindle. B760 has a 

 small hole drilled near the margin, apparently for suspension. 

 These whorls are either slightly concave, quite flat, or convex 

 on one or both faces. Diameters, \\ to 2\ inches. 

 B-61 to B785, mounted on card 29. 

 Stone Whorls. Mostly polished, and of symmetrically rounded 

 shape. B762 and B763 are decorated by carved ornament- 

 ation, consisting of lines and dots on their faces. Several other 

 specimens on this card show incised concentric lines. B766 

 is a quartz nodule, with natural perforation, but has evidently 

 been preserved for use. Diameters, f inch to \\ inches. 



Stone Celts. — These are implements intended to serve the 

 same purposes as the metallic axes, hatchets, adzes, and chisels 

 of the modern artificer. The word celt is derived from the 

 Latin, celtis, and literally signifies a chisel. A small portion 

 only of the celts are chisels in the modern sense, but the term 

 is used as generic, and includes all the cutting tools of the joiner. 

 Stone celts are found in all parts of the world, and are popularly 

 regarded in most countries as thunderbolts. In Ireland they 

 are abundant, and large numbers have been found in Down and 

 Antrim. (See Plate 1. fig. 10). 



59- 

 Celt, or Stone Axe, made of a fine-grained silicious rock, and 

 highly polished. This is an excellent example of its class. 

 Each of its sides has been ground flat. The front or cutting 

 edge is about three inches wide, and the equally sharp base 1^ 

 inches. Length, 14 ; greatest breadth, 3! inches. Found in a 

 bog near Portglenone, 1848. 



60. 

 Celt, massive and highly polished. The cutting edge is much 



