The specimens should be so packed, that the surfaces may be defended from exposure to air, moisture, and friction: for which purpose, if strong paper cannot be obtained, 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 prevented 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 interesting character; since it frequently, and even commonly, happens, 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.
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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 (Sketch 5); 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 1 1/4 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 little wider on the outer side than within; its diameters, about 1 inch vertically, and 0.7 across; the centre somewhat more than 1 1/2 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 the end remote from the head, to prevent its slipping.