A COURSE 



ELEMENTARY INSTRUCTION 



IN 



PRACTICAL BIOLOGY 



BY 



T. H. HUXLEY, LL.D., SEC. R.S., 



ASSISTED BY 



H. N. MARTIN, B.A., M.B, D.Sc. 

 FELLOW OF CHRIST'S COLLEGE, CAMBRIDGE. 



NEW EDITION. 



Honfcon : 

 MACMILLAN AND CO. 



1883 



[The Eight of Translation is reserved.] 



