F''9 



FOURTH REPOET 



NATURAL HISTOEY SOCIETY, 



ADOFTRD AT A MEETIKQ H2LD 



SEI'TIBJyCSEE, 1, 1858; 



BRIGHTON: 



PRINTED BY H. WALLIS, BOOKSBLLEB AKD STAItOKEA. 



MDCCCLVXII. 



