Quart. Tourn. Micor-Sct.. Vl. ONS GE, 2G 
1 
ae Fs ; = TrCoeV...f 
ge PC pin PH hagas 
SS 
ik ee © CCoe CN ~ 
7 
eee aa SSS 
= 
os 
= 
J 
— 
wes 
‘omen 
roa 
1 
—_ 
Ce ) 
— 
= 
pa 
— 
- 
ce 
a 
| 
J 
10 
Amphioxus 
Balanoglossus 
(oy Ne ie % 
y N A 
{ AL 
\ Wi 
= See ae = 
l4a, B 
; ” Balanoglossus 14 Glandiceps 4c Se eae ies Ptychodera 
Edwin Wilson Cambridae. 
