2 SCIENCE AND FIIILOSOPnY. 



Insectivorous Plants. Bv Charles Daewin, LL.D., F.K.S. 12mo. Cloth. 

 $2.00. 



Movements and Habits of Climbing- Plants. By Chaeles Daewin, 

 LL. D., F. Pv.S. With Illustrations. I'Jiiio. Cloth, $1.25. 



Various Contrivances by which Orchids are Fertilized by In- 

 sects. By CuAKLKS Uaewin, LL. i)., ¥. U. 8. With Illustrations. Kevised 

 edition. 12mo. Cloth, $l.To. 



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

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



Cuaules Darwin, LL. L)., F. U. S. Illustrated. 12mo. Cloth, $150. 



The Power of Movement in Plants. By Charles Daewin, LL. D., F. E. S., 



assisted by Francis Dauwin. Illustrated. 12nio. Cloth, $2.00. 



Formation of Veg-etable Mould through the Action of Worms, 

 with Observations on their Habits. By Chaklks Daewin, LL.D., 

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Life and Letters of Charles Darwin. Including? a". Autobiographic 

 Chapter. Edited by his Son, Francis Darwin. With Portraits, etc. 2 vols., 

 12ino. Cloth, $4.50. 



PROFESSOR HAECKEL'S WORKS. 



Freedom in Science and Teaching:. By Eenst Haeckel. With Prefatory 

 Note by I'rof. Tyndall. 12uio. Cloth, $l.llO. 



The Evolution of Man. A Popular Exposition of the Principal Points of IIu- 

 inan Ontogeny and Phylogeny. From the German of Ernst Haeckel, Professor 

 in the University of Jena. W^ith numerous Illustrations. 2 vols., rimo. Cloth, 

 $5.00. 



The History of Creation ; or, the Development of the Karth and its Inhabit- 

 ants by the Action of Nutiiral Causes. A Popular Exposition of the Doctrine of 

 Evolution in General, and of that of Darwin, Goethe, and Lamarck in Particular. 

 By EitNST Haeckel, Professor in the University of Jena. The translation re- 

 vised by Prof. E. Ray Lankestee. Illustrated with Lithographic Plates. 2 

 vols., 12mo. Cloth, $5.00. 



WORKS BY PROFESSOR T. H. HUXLEY. 



Evidence as to Man's Place in Nature. By Prof. T. II. Huxley, F.E.S. 



Illustrated. I'Jmo. Cloth, $1.25. 



More Criticisms on Darwin, and Ariministrative Nihilism. By 



Prof. T. H. HtTXLEY, F. K. S. r2mo. Limp cloth, 50 cents. 



On the Origin of Species; or. The ('auses of the Phenomena of Organic 

 l^lature. By Prof. T. H. Huxley, F. R. S. 12ino. Cloth, $1.00. 



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

 H. Huxley, F. E.S. With Illustrations. 12mo. Cloth, $2.50. 



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

 T. II. Huxley, F. K.S. Illustrated. 12mo. Cloth, $2.50. 



An Introduction to the Study of Zobiosry. The Cravfish. By 

 Prof. T. H. Huxlky, F. K.S. With S2 IlIustration.s. 12mo. Clotb, $1.T5. 



Science and Culture, and other Essays. By Prof T. H. Huxley, F. E. S. 

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Physiography : An Introduction to the Study of Nature. By Prof T If. Hux- 

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