elligently a plumb-line, level, and trowel.

4. Build a stone oven.

5. Demonstrate a knowledge of various uses for cement.

6. Build a dry wall.

Mining

[Illustration: Shovel insignia. (tr)]

To obtain a merit badge for Mining a scout must

1. Know and name fifty minerals.

2. Know, name and describe the fourteen great divisions of the earth's
crust (according to Geikie).

3. Define watershed, delta, drift, fault, glacier, terrace, stratum,
dip; and identify ten different kinds of rock.

4. Describe methods for mine ventilation and safety devices.

Music

[Illustration: Lyre insignia. (tr)]

To obtain a merit badge for Music a. scout must

1. Be able to play a standard musical instrument satisfactorily.

2. Read simple music.

3. Write a satisfactory essay of not less than five hundred words on
the history of American music.

Ornithology

[Illustration: Bird insignia. (tr)]

To obtain a merit badge for Ornithology a scout must

1. Have a list of one hundred different kinds of birds personally
observed on exploration in the field.

2. Have identified beyond question, by appearance or by note,
forty-five different kinds of birds in one day.

3. Have made a good clear photograph of some wild bird, the bird image
to be over one half inch in length on the negative.

4. Have secured at least two tenants in bird boxes erected by himself.

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5. Have daily notes on the nesting of a pair of wild birds from the
time the first egg is laid until the young have left the nest.

6. Have attracted at least three kinds of birds, exclusive of the
English sparrow, to a "lunch counter" which he has supplied.

Painting

[Illustration: Paintbrush insignia. (tr)]

To obtain a merit badge for Painting a scout must

1. Have knowledge of how to combine pigments in order to produce
paints in shades and tints of color.

2. Know how to add positive colors to a base of white lead or of white
zinc.

3. Understand the mixing of oils; turpentine, etc., to the proper
consistency.

4. Paint a porch floor or other surface evenly and without laps.

5. Know how and when to putty up nail holes and uneven surfaces.

6. Present for inspection a panel covered with three coats of paint,
which panel must contain a border of molding, the body of the panel to
be painted in one color and the molding in another.

Pathfinding

[Illustration: Indianhead insignia. (tr)]

To obtain a merit badge for Pathf