D. APPLETON & CO. '8 PUBLICATIONS, 



CHARLES DARWIN'S WORKS. 



ORIGIN OF SPECIES BY MEANS OF NATURAL 

 SELECTION, OR THE PRESERVATION OF FA- 

 VORED RACES IN THE STRUGGLE FOR LIFE. 



From sixth and last London edition. 2 vols., 12mo. Cloth, 

 $4.00. 



DESCENT OF MAN, AND SELECTION IN RELATION 



TO SEX. With many Illustrations. A new edition. 12ino. 

 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. 12mo. Cloth, $2.00. 



THE STRUCTURE AND DISTRIBUTION OF CORAL 

 REEFS. Based on Observations made during the Voyage of 

 the "Beagle." With Charts and Illustrations. 12mo. Cloth, 

 $2.00. 



GEOLOGICAL OBSERVATIONS on the Volcanic Islands and 

 Parts of South America visited during the Voyage of the 

 "Beagle." With Maps and Illustrations. 12mo. Cloth, $250. 



EMOTIONAL EXPRESSIONS OF MAN AND THE 

 LOWER ANIMALS. 12mo. Cloth, $3.50. 



