Plate xxm. 



Fig. 304. 



Fig.3o6 



Fig. 30/]. 



Fig-.3o8. 



i_l 



LB 



Fig. 309. Fig.3io. Fig.Sn. Fig.Si 



C J 



rig.3i3. >^i3EL"-7.:^ 



Fuh.by J. Johnson, Lo?idi.'nt July 1806. 



Joseph Skrlton Jrinf. 



