Charles Darwin's Works, 



Origin of Species by Means of Natural Selection, or the 

 Preservation of Favored Races in the Struggle fox 

 Life. New and revised edition, with Additions. 12mo. Cloth, 

 $2.00. 



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

 many Illustrations. A new edition. 12mo. Cloth, $3.00. 



Journal of Researches into the Natural History and Geol 

 ogy of the Countries visited during the Voyage of H. 

 31. S. Beagle round the World. A new edition. 12mo. 

 Cloth, $2.00. 



Emotional Expressions of Man and the Lower Animals. 



12mo. Cloth, $3.50. 



The Variations of Animals and Plants under Domestica- 

 tion. With a Preface, by Professor ASA GRAY. 2 vols. Illus- 

 trated. Cloth, $5.00. 



Insectivorous Plants. 12mo. Cloth, $2.00. 



Movements and Habits of Climbing Plants. With Illustra- 

 tions. 12mo. Cloth, $1.25. 



The Various Contrivances by which Orchids are Fertil- 

 ized by Insects. Revised edition, with Illustrations. 12mo. 

 Cloth, $1.75. 



The Effects of Cross and Self Fertilization in the Vegeta- 

 ble Kingdom. 12 mo. Cloth, $2.00. 



Different Forms of Flowers on Plants of the same Species. 



With Illustrations. 12ino. 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 Illustra- 

 tions. 12mo. Cloth, $1.50. 



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