2 SCIENCE AND PHILOSOPHY. 



Insectivorous Plants. By CDABLES DAKWIN, LL. D., F. K. 8. 12mo. Cloth. 

 $2.00. 



Move-nents and Habits of Climbing Plants. By CHARLES DAKWIV, 

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Various Contrivances by which Orchids are Fertilized bv In 

 sects. By CHARLES DARWIN, LL. D., F. K. 8. With Illustrations. Kevised 

 edition. 12uio. Cloth, $1.75. 



Effects of Cross- and Self-Fertilization in the Vegetable King- 

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Different Forms of Flowers on Plants of the Same Fpecies. By 

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The Power of Movement in Plants. By CHARLES DARWIN. LL. I)., F. It. S., 

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Formation of Vegetable Mould thrcugh the Action of &quot;Worms, 

 with Observations on their Habits. By CIIAKLUS DAKWIN, LL. D., 

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Life and Letters of Charles Darwin. Including a- Autobiographic 

 Chapter. Edited by his Sou, FRANCIS DARWIN. \\ ith Portraits, etc. 2 vols., 

 1-Jiuo. Cloth, $4.50. 



PROFESSOR HAECKEL S WORKS. 



Freedom in Science and Teaching-. By ERNST HAECKEL. With Prefatory 

 Note by I rof. TVNDALL. 12mo. Cloth, $1.00. 



The Evolution of Man. A Popular Exposition of the Principal Points of Hu 

 man Ontogeny and Phylopeny. From the C.ernian of ERNST HAKCKKL. Professor 

 in the University of Jena. With numerous Illustrations. 2 vols., l 2mo. Cloth, 

 $5.00. 



The Uistory of Creation; or. the Development of the Earth and its Inhabit 

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 Evolution in (Jeneral, and of that of Darwin, (Joethe. and Lamarck in Particular. 

 By ERNST llAEf-KKU Professor in the rnm-rsity of -Jena. The translation re 

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 vols., l 2mo. Cloth. $5.00. 



WORKS BY PROFESSOR T. H. HUXLEY. 



Evidence as to Man s Place in Nature. By Prof. T. II. HUXLEY, F. II. s. 



Illustrated. 1 Jmo. Cloth, $1.25. 



More Criticisms on Darwin, and Administrative Nihilism. By 

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On the Origin of Species; or. Tho Causes of the Phenomena of Organic 

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A Manual of the Anatomy of Vertebrated Animals. By Prof. T. 

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A Manual of the Anatomy of Invertebrated Animals. By Prof. 

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An Introduction to the Study of Zoo^o-y. The Cravflsh. By 

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Science and Culture, and other Essays. By Prof. T. II. HUXLEY, F. R.S. 

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Physiography: An Introduction to the Study of Nature. By Prof. T II. IIux- 

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