PLATE XXI. 
Q 
= 
B 
S 0 
a 4 
(J 
Ay 
5 i A 
1 1 a 
1 L 4 
3 l 
\ i H 
Er ee: 
A H 5 A 
1 H H A 
d i U 
i t J & 
ioe) H fy 
i A g 
a i TY 
CEIT Hq Í H 
oe ae, H H H 
EEN BHi ai 
Fig. 6 Q WI A Ah 
fs ji æ, 
yy OH = 
goon, 
igo N 
Ss 
oo sono oe oe 3 
4 . (> ”” 
Q Bonna oo 
4 = i om Y 
ne polo, z ¥ 
ae KA 
A 
l TN 
S z 
i O 
Fig. 8 ` A 
RH 
SE: = 
D g 
B> T! 
Q 
À 
U 
4 
XS ae 
$ a 
Cr 
Fig. M 
ait ee 
ANN oe 
Law By 
A 
Pr 
7 
KA 
Bifurcated Annelids. 
