D. APPLETON & 00. '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. 12mo. 

 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 B. 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, $2.50. 



EMOTIONAL EXPRESSIONS OF MAN AND THE 

 LOWER ANIMALS. 12mo. Cloth, $3.50, 



