THOMAS H. HUXLEY'S WORKS. 



Science and Culture, and other Essays. i2mo. 



Cloth, price, $1.50. 



The Crayfish : An Introduction to the Study of Zoology. 

 "With 82 Illustrations. (" International Scientific Series.") 

 12mo. Cloth, $1.75. 



Science Primers: Introductory, i8mo. Flexible Cloth, 

 45 cents. 



Man's Place in Nature. l2mo. Cloth, $1.25. 



On the Origin of Species. i2mo. Cloth, $i.oo. 



More Criticisms on Darwin, and Administrative 



Nihilism. 12mo. Limp cloth, 50 cents. 



Manual of the Anatomy of Vertebrated Animals. 



Illustrated. 12nio. Cloth, $2.50. 



Manual of the Anatomy of Invertebrated Animals. 



12mo. $2.50. 



Lay Sermons, Addresses, and Reviews. i2mo. 

 Cloth, $1.75. 



Critiques and Addresses. i2mo. Cloth, $1.50. 



American Addresses ; with a Lecture on the Study of 

 Biology. 12mo. Cloth, $1.25. 



Physiography: An Introduction to the Study of Nature. 

 With Illustrations and Colored Plates. 12mo. Cloth, $2.50. 



Huxley and Youmans's Elements of Physiology 

 and Hygiene. By T. H. Huxlet and W. J. Youman&. 

 12mo. $1.50. 



For sale by all booksellers ; or sent by mail, post-paid, on receipt of 



price. 



D. APPLETON & CO., Publishers, 



1. 8. & It Bond Stbeet. Nsw Yosx. 



