DIRECTIONS 
FOR 
PLACING THE PLAT EX. 
Tas. 16. Enerthenema elegans . . . , . to face page 152 
7.4 
18. 
19. > Organs of Voice in Birds . . . LCS. E . J29 
20. 
21. J 
22. ; 
d Lathews Soyani . —— ouo os ag 
24. Anas Bewickii- gc Aue acc st MM 
25. oS ae cr See Re eg 7 N 
