LIVES OF LABOUR; 



Jncibcute in the Career of (Eminent Naturalists anfo 

 Celebrated TTrabellera. 



C. L. \RHKIHTWELL, 



" ABOVK KUB1KS," ETC. 



LONDON: 



T. NELSON AND SONS, PATERNOSTEK KOW 

 EDINBUKGH; AND XK\V VUKK. 



1872. 



