276 
11. L. M. PIXELL. 
eggs are held together, and tlds author refers to the organ as 
a brood-chmnber. 
Text-fig. 11. 
,r. 
:/ 
- ooh. ep. 
nxl. 
pc. 
h.t. 
Transverse section tlirongli collar and anal papilla at the level of 
the left nephridioiiore. ( X hO.) 
Text-fig. 1‘2. 
rj- 
rj 
’■ c. 
• ■r"’ ^'T ■ ■ • 
m. 
/ - -i 
IS-* hi - 
. e* c ' - 9* ■■ ■*' 
■ 
.. > V) ■ -• 1. . -»>'■' '• ■ ■ 
'll 
\X7- 
h.t. 
c.nz,. 
f 1 ' ..-.ii 
if 
A [lortion of a transvei'se section of the hody-wall towards the 
distal end; only the outer ends of the longitudinal innscles 
(/. III.) are shown, (x hhO.) 
In the majority of specimens the organ is absent, which is 
