wn 
nO 
ux 
are 
25 
Sie 
nce 38} 
o 2 
Lore 
SS 
a=) 
A 
vo 
2 bo 
p=) 
35 
=o 
ba ce 
cob) 
oS 
BS 
hs 
Sssteal 
<x 
— — — Superficial (dermal and gastral) amphioxes. 
Choanosomal amphioxes 
of these sizes of both specimens 
gether. 
w to 
on 
(ph). 
cool = 
fo @) oO 
S — 
1.41 
1.61 
Fig. 17.— Amphioxes. 
