EEV. W. HINCKS ON CTGNUS PASSMORI. 

 Fig. 1. Fig. 2. 



Cygnus Passniori. 

 Fig. 3. 



Cygnus huccinator. 

 Fig. 4. Fig. 5. 



C. Passmori. 



C. buccinator. 

 Fig. 6. 



C. Americanus. 



Fig. 7. 



Fig. 8. 



