k MONOGRAPH 





ON THE SUB-CLASS 



C I R R I P E D I A, 



WITH 



FIGURES OF ALL THE SPECIES. 



BY 



CHARLES DARWIN, F.R.S., F.G.S. 





- 



■ 



• '^.— ^——. 









THE BALANID/E, 



(OR SKSSILE CIRRIPEDES); 



THE VERRUCID M, 



ETC., ETC., ETC. 



r £ & R - 



LONDON: 

 PRINTED FOR THE RAY SOCIETY. 



MDCCCLIV. 



