مرجع في العلوم البيولوجية وطرق تدريسها

API
ملحقات
Mitosis and Meiosis (f, c), Indiana U., inquire rental.
Monarch Butterfly Story (f, c), EBF, $ 4.00.
Mosquito (f), EBF, $ 2.50
The Newt (f), free, state conservation dept.
The Onion (f), free, state conservation dept.
Ovulation, Fertilization, Farly Development of the Mammalian Egg (f, si), U.S. Dept. Agriculture, $ 1.50.
The Rabbit's Development (f), free, state conservation dept. Reproduction Among Mammals (pig) (fs), EBF, $ 3.00.; also (f), $ 2.50.
Reproduction in Animals (f, c), Coronet, inquire film library. Reproduction in the Lower Forms of Life (f, si), Bray, $ 1.50. Reproduction in Higher Forms (f, si), Bray, $1.50.
Sanctuary of the Seals (f), Teaching Film Custodians, local film libraries.
Seed Dispersal (f), EBF, $ 2.50.
Seeds and How They Grow (f, c), Wm. Cox, inquire rental. Sexual Reproduction in Plants (fs), De Kalb Agricultural Assoc., free rental.
Springtime in Holland (bulbs) (f, c), Associated Bulb Growers of Holland, free.
Sunfish (f), EBF, $ 2.50.
Improving heredity
تحسين الوراثة
Acres of Chix (f, c), De Kalb Agricultural Assoc., free.
Acres of Gold (hybrid corn) (f, c), De Kalb Agricultural Assoc.,
free.
Animal Greeding (f), EBF, $ 3.00.
Background for Beauty (f, c), Ferry-Morse, free.
Bees for Hire (f, c), Texas Co., free.
Better Breed (f), UWF, inquire rental.
Better Gardens for Better Living (f, c), Ferry-Morse, free.
Better Seed (breeding potatoes (f, c), Farm Film Foundation,
free.
Better Seed for Better Grasslands (f, c), U.S. Dept. Agriculture,
free.
Breeding Better Food Crops (f, c), Nat. Garden Bur, free. Breeding Champion Sugar Canes for Hawaii (f, c), Hawaii Press
Bur., free.
Corn (f, c), U.S. Dept. Agriculture, $ 1.50.
Corn Colors and Corn Mixtures; Hidden Values in Hybrid Corn