-( f )- 
2.40x1.75 [h}-. 
20. Eiismatnra fenuginea Evt. 
Bluc-billcd Duck, Ferruginous Duck. 
21. Erismatura aeqnatorialis vSalv 
4#ijt- fj M ^ t^S>< ^ ^ T'Mf^i - 7- life =-r y ^' jf^fjf.]! a j; fi'i/j. -y y . 
^tffi Ecuador. 
22. Eismatura maccoa (Smith). 
23 Erismatura vittata Phil 
24 Erismatura australis (Gould.) 
Australian Stift- tailed Duck. 
