^ARLE'S'-O^A'SWjN' S WORKS. 



Origin of Species by Means of Natural Selection; or, The Preservation of 

 Favored Races in the Struggle for Life. From sixth and last London edition. 

 2 vols. i2mQ. Cloth, $4.00. / 



Descent of Man, and Selection in Relation to Sex. With many lUiistra- 

 tions, A new edition. i2mo. Cloth, $3.00. / 



A Naturalist's Voyage around the World. Journal of Researches into the 

 Natural History and Geology of Countries visited during the Voyage of H. M. 

 S. "Beagle." Illustrated with Maps and 100 Views of the places visited and 

 described, chiefly from sketches taken on the spot, by R. T. Pritchett. 8vo. 

 Cloth, $5.00. 



Also popular edition, izmo. Cloth, $2.00. 



The Structure and Distribution of Coral Reefs. Based on Observations 

 made during the Voyage of the " Beagle." With Charts and Illustrations. 

 z2mo. Cloth, $2.00. 



Geological Observations on the Volca'iic Islands and Parts of South America 

 visited during the Voyage of the "Beagle." With Maps and illustrations. 

 i2mo. Cloth, $2.50. 



Emotional Expressions of Man and the Lower Animals, i2mo. Cloth, 

 $3.50. 



The Variations of Animals and Plants under Domestication. With a 

 Preface by Professor AsA Gray. 2 vols. Illustrated. Cloth, $5.00. 



Insectivorous Plants. i2mo. Cloth, $z.oo. 



Movements and Habits of Climbing Plants. With Illustrations. i2mo. 

 Cloth, $1.25. 



The Various Contrivances by which Orchids are Fertilized by Insects. 

 Revised edition, with Illustrations. i2mo. Cloth, $1.75. 



The Effects of Cross and Self Fertilization in the Vegetable Kingdom. 



i2mo. Cloth, $2,00. 



Different Forms of Flowers on Plants of the same Species. With Illus- 

 trations. i2mo. Cloth, $1.50. 



The Power of Movement in Plants. By Charles Darwin, LL. D., F. R. S., 

 assisted by Francis Darwin. With Illustrations. i2mo. Cloth, $2.00. 



The Formation of Vegetable Mould through the Action of "Worms, 



with Observations on their Habits. With Illustrations, izrao. Cloth, $1.50. 



New York: D. APPLETON & CO., Publishers. 



