THE 



CLASSES 

 ANNELIDA, CRUSTACEA, 



AND 



ARACHNIDA, 



ARRANGED BY THE 



BARON CUVIER, 



WITH 



SUPPLEMENTARY ADDITIONS TO EACH ORDER 



BY '- ".'X.^ 



EDWARD GRIFFITH, F.L.S., A.S,, %c. -^^'^-^AX ) 



AND i^' / 



EDWARD PIDGEON, Esq. \%}^-^:^' 



LONDON : 



PRINTED FOR WHITTAKER TREACHER, AND CO, 

 AVE-MARIA-LANE. 



MDCCCXXXIII. 



