PLATE I. 



4582 of 1821. 

 P. 17. 



DECOYING. 



n 



iH H 



Iff F 



Fig. 3 



Fig, 6 I riri -. 



iM 



\m 



k 



\u 



B B B 3 



C C 



!^ 



FLOAT. 



2003 of 1859. 

 P. 18. 



