Winter study of trees, noting buds, branches, and foliage of spruce, cedar, horse-chestnut, etc. (See pp. 121-3.)

SPRING

Birds and Insects:

Observations on the structure, adaptations and development of insect larvæ kept in an aquarium, as larva of mosquito, dragon-fly, caddice-fly; spring migration of birds. (See pp. 149-153.)

Animals of the Field and Woods:

Observations on the forms, homes, habits, and foods of wild animals, continued. (See pp. 114-8, 143-9.)

Orchard Trees:

The buds and blossoms of apple, and cherry or plum, observed through the stages up to fruit formation. (See pp. 141-3.)

Experiments in the Germination of Seeds:

Germination of seeds and general observations on the stages of development; testing the conditions required for seed germination; introductory exercises in soil study as a preparation for seed planting. (See pp. 133-8 and 112-3.)