Geology.] 
natural history. 
(>27 
dry moss, or straw, or leaves, may be used with advantage. 
Where paper is used for wrapping the specimens, they are 
best secured by fastening the envelope with sealing-wax. 
Lastly, The collector must not be discouraged, nor be pre- 
vented from collecting, by finding that the place which he 
may chance to visit in a remote situation, has not a striking 
appearance, or the rocks within his view a very interest- 
ing character ; since it frequently, and even commonly, hap- 
pens, that facts and specimens, in themselves of very little 
importance, become valuable by subsequent comparison ; so 
that scarcely any observation, if recorded with accuracy, 
will be thrown away. 
The Instruments required by the geological traveller will 
vary, according to the acquirements and specific objects of 
the individual. The most essential are 
The Hammer; which, for general purposes, may be of the form 
here represented 
The head should be of steel well tempered, about 4 inches from the 
face to the edge, and IJ inch square in the middle ; the face flat, 
and square, or nearly so; the edge placed in the direction of the 
handle. The orifice for the insertion of the handle oval, a very 
ittle wider on the outer side than within ; its diameters, about 
1 inch vertically, and .7 across ; the centre somewhat more than U 
inch from the face. The handle should be of ash, or other tough 
wood ; not less than 16 inches long ; fitting tight into the head at its 
insertion, without a shoulder ; and increasing a little in size towards 
2 S 2 
