STANDARD WORKS ON SCIENCE 5 



The Works of 

 CHARLES DARWIN 



. POPULAR EDITION. 6s. net each. 



ORIGIN OF SPECIES BY MEANS OF NATURAL 

 SELECTION. (Also 2s. net.) 



DESCENT OF MAN, AND SELECTION IN RELATION 

 TO SEX. 



JOURNAL OF A NATURALIST DURING A VOYAGE 

 ROUND THE WORLD. 



FORMATION OF VEGETABLE MOULD THROUGH 

 THE ACTION OF WORMS. 



INSECTIVOROUS PLANTS. 



EXPRESSION OF THE EMOTIONS IN MAN AND 

 ANIMALS. (Also 9s. net.) 



MOVEMENTS AND HABITS OF CLIMBING 

 PLANTS. 



VARIATION OF ANIMALS AND PLANTS UNDER 

 DOMESTICATION. 



2 Vols. 12s. net. (Also 2 Vols. 15s. net.) 



VARIOUS CONTRIVANCES BY WHICH ORCHIDS 



ARE FERTILIZED BY INSECTS. 

 CHARLES DARWIN 



His life told in an Autobiographical Chapter, and in a 

 Selected Series of his Published Letters. Edited by his 

 son, Sir FRANCIS DARWIN, F.R.S. (Also 7s. 6d. net.) 



CROSS AND SELF - FERTILIZATION IN THE 



VEGETABLE KINGDOM. 9 s. net. 

 DIFFERENT FORMS OF FLOWERS ON PLANTS 



OF THE SAME SPECIES. 7s. 6d. net. 



MORE LETTERS OF CHARLES DARWIN 



Edited by Sir FRANCIS DARWIN, F.R.S., and A. C. 

 SEWARD. With Portraits. In Two Volumes. 32s. net. 



(Arrangements have been made with Booksellers enabling them to offer 

 , special terms for the above work). 



