THOMAS H. HUXLEY'S WORKS. 



Collected Essays. 



Vol. i. Method and Results. 



" 2. Darwiniana. 



" 3. Science and Education. 



" 4. Science and Hebrew Tradition. 



" 5. Science and Christian Tradition. 



" 6. Hume. 



" 7. Ethical and Philosophical Essays. 



" 8. Man's Place in Nature. 



" 9. Essays in Science. 



i2mo. Cloth, $1.25 per vol. 



The Crayfish: 



An Introduction to the Study of Zoology. 

 With 82 Illustrations. lamo. Cloth, $1.75. 



Manual of the Anatomy of Vertebrated 



Animals. Illusttated. i2mo. Cloth, $2.50. 



Manual of the Anatomy of Invertebrated 



Animals. Illustrated. i2mo. Cloth, $2.50. 



Physiography : 



An Introduction to the Study of Nature. With 

 Illustrations and Colored Plates, izmo. Cloth, $2.50. 



New York: D. APPLETON & Co., i, 3, & 5 Bond Street. 



