18 Proceedings. 
how our senses appreciated colour and sound by a series of 
vibrations; when sympathy between two exactly similarly- 
vibrating objects was obtained, one would set the other vibra- 
ting, no matter what intervened between the two. 
He argued, this might well be true in the animal world as 
well and might account for several insect phenomena at present 
unexplained. 
Meerine, held at Redhill, 27th of April, 1900. 
The Rev. R. Ashington Bullen, F.L.S., F.G.S., gave an 
address on 
Eo.irHic IMPLEMENTS: THEIR USE AND MEANING. 
The lecture was illustrated by implements of flint, chert, 
quartzite, basalt, &c., illustrative of all the stone periods— 
Eolithic, Paleolithic, Neolithic, and modern. 
The lecturer briefly alluded to the meanings of these various 
’ terms. The Paleolithic period was illustrated by implements 
from Abbevilie and the Somme Valley, where M. Boucher de 
Perthes began collecting in 1832, in gravels above the level of 
the present river Somme. The measure of erosion since these 
high-level gravels (in which bones of the extinct mammalia, 
Elephas primigenius, &c., occur) is the measure of time since 
men of the “Old Stone Age” fabricated their implements. 
These postglacial gravels, as well as those of Hoxne, Broom, 
Freemantle (near Christchurch), &c., have yielded large num- 
bers of these chipped stone tools. The Neolithic Age (or “New 
Stone” Age) was represented by tools from Italy, Ireland, 
Denmark, and England, &. The fine implements from Suffolk 
were especially interesting and included arrow-heads which 
“screw” their way through the air (thus anticipating our 
modern rifled ordnance), saws with secondary teeth upon the 
larger teeth (thus foreshowing the modern American saw with 
subsidiary teeth), bone needle-borers (forestalling the engineer’s 
