The Variations of Animals and Plants under Domestication. With a Preface, by Professor Asa Gray. 2 vols. Illustrated. Cloth, $5.00.
Insectivorous Plants. 12mo. Cloth, $2.00.
Movements and Habits of Climbing Plants. With Illustrations. 12mo. Cloth, $1.25.
The Various Contrivances by which Orchids are Fertilized by Insects. Revised edition, with Illustrations. 12mo. Cloth, $1.75.
The Effects of Cross and Self Fertilization in the Vegetable Kingdom. 12mo. Cloth, $2.00.
Different Forms of Flowers on Plants of the same Species. With Illustrations. 12mo. Cloth, $1.50.
The Power of Movement in Plants. By Charles Darwin, LL. D., F. R. S., assisted by Francis Darwin. With Illustrations. 12mo. Cloth, $2.00.
The Formation of Vegetable Mould, through the Action of Worms. With Observations on their Habits. With Illustrations. 12mo. Cloth, $1.50.
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