F Bulletin 20, Division of Entomology, Dept. Agriculture. 
PLATE XIII. 
iS if 
es" y uo as 2 
: ca : 
y, Cj é oO ‘ C333 
HOT Ki 
Menecc cones 
Cdawarc sigs 
(Yo Wascese ( 
‘Ss } Dy 
SOS 
rreyry 
RO) 
+5 aes 
Tp 
sens 
LAG 
ROS? 
eh 
pee 
() 
NS Ned 
DEVELOPMENT OF ANGUILLULA. 
