THEORIES OF LAMARCK AND DARWIX 



373 



he succeeded. The fruit of his labors, the Natural His- 

 tory of Invertebrated Animals (Hisiorie naturelle des Ani- 



FiG. 112. — Lamarck, 1774-1829. 



From Thornton's British Plants, 1805. 



maux sans Verlebres, 1815-1822), became a work of ij^reat 

 importance. He took hold of this work, it sliould be re- 

 membered, as an expert obser\er, trained to ri.i^id analysis 



