3

Bell jars 2 feet high and 10 inches in diameter

14.40

3

Bell jars about 8 inches high and 10 inches in diam

eter

5.00

1

Bell jar, open top, 8 inches high and 8 inches in

1 piece Sheet rubber 2 feet square (should be kept in

1 Steam sterilizer, copper bottom, 18 inches high.

6.00

50 8-ounce wide-mouthed bottles

$2.20

50

4-ounce wide-mouthed bottles

1.60

24

200 cc. narrow-mouthed bottles with ground glass

stoppers

2.60

100

100

Vials with corks, 3 inches high, 1 inch in diameter 100 Corks to fit 8-ounce wide-mouthed bottles 100 Corks to fit 4-ounce wide-mouthed bottles Corks to fit 6-inch test tubes . .

.75

.40

10

2

Rubber stoppers with 2 holes to fit 250-cc. flasks . 10 Rubber stoppers with 1 hole to fit 6-inch test tubes Insect spreading boards.

Jung plant charts (pansy, horse-chestnut, tulip,
linden, potato, carrot, pea, Spirogyra, mold, fern,
moss)
Teachers' Botanical Aid, 28 charts, containing 300
drawings (Western Publishing House, Chicago,
Ill.).

$13.20

12.50

11

Jung animal charts (fish (external), fish (internal),
frog, Amoeba, Paramecium, crayfish, bee, but-
terfly, cricket, finch, duck).

13.20

4

Leuckhart animal charts (grasshopper, bee, butter-
fly, metamorphosis of frog).

8.00

1

Model of heart and lungs (dissectible), natural

Model of digestive system on panel, natural size
Model of circulatory system on panel, natural size

15.75

11.75

7

Microscopical slides of plant tissue (cross section
and longitudinal section of young root, cross
section and longitudinal section of stem one year
old, cross section of hydrangea leaf, epidermis
of leaf, separate wood cells, ducts, conjugating
Spirogyra)

5 Microscopical slides of animals (Amoeba, Para-
mecium, frog's blood, human blood, mouth parts
of bee)

$3.50

3.00

APPENDIX II

ORDER OF TOPICS

The following order of topics, with time assignment for each, has been found by the authors to be satisfactory:

I. Course begun in September and completed in June.

1. The general structure of plants (organs of a plant)
2. Reproduction in plants.

2 lessons

a. Structure and adaptations of flowers

15 lessons

b. Structure and adaptations of fruits, including
fruit and seed dispersal

5 lessons

3. Plant propagation.

a. Seeds and their development into plants b. Conditions essential for the growth of plants 4. Cellular structure of plants, including fertilization

of flowers

5. Composition of living and lifeless things.

a. Elements, compounds, oxidation, with defini-
tions

6 lessons

2 lessons

5 lessons

c. Manufacture of food substances by plants 6. Osmosis and digestion

10 lessons

b. Composition of food substances, with tests for
each

8 lessons

5 lessons

5 lessons

5 lessons

3 lessons

4 lessons

7. Adaptations of the nutritive organs of plants. a. Structure and adaptations of roots

b. Structure and adaptations of stems

c. Structure and adaptations of leaves.

8. Respiration and the production of energy in plants 4 lessons

9. Plants in their relation to human welfare.