308 Proceedings of Poyal Society of Edinburgh. [ 8ESSi 
mere.’ 
PeotocceUc 
pore. ' 

■** 
“ 8 
Collar. 
cS£. 
a" 
SKS 
Sf 
s 
SSL 
& 
h -~- • • • • 
E “ 
SSSK 
2K±S 
.B. 
S 
JE 
ch<B,0!,rmtha 
Head. 
eS. 
? 
Trunk. 
s. 
o« r . 
Echinodermata, . . . 
Epistome. 
Kadeepa- 
5S, 
s. 
?I 
prE. 
Jr 
cavity. 
s 
s 
Larval Phoronis, . . . 
P p 0 M°es CiS 
‘Collar.’ 
£3K 
« 
•Head- 
Trunk 
Larval Echinoderm , . 
er' 
-! 
Sn. 
3& 
i 
Larval Balanoglossus, . 
*52* 
A i"! or 
Proboaels 
Collar. 
* 
' ' 
p°« 
- 
Sr 1 
Amphi ° xm 
h: 
“ 
li 
ss 
a. 
! 
as 
as 
se 
309 
Larval Banda. 
" lc 
S£ 
sr 
ssst p 
Part. i 
Part. 
? 
■■ 
•• 
I 
55S£ > 
#■ 
‘ Heart. 
•• 
n ^“n- 
“ 
- 
•• 
•• 
ejdstonie! 
itl 
5SS 
Vasa 
•• 
.. 
HT 
# 
•• 
- 
S. 
■■ 
•• 
•• 
1 
1 P 
- 
•• 
li. 
(Heart.) 
• 
■■ 
- 
S 
- 
£e 
# 
’is 
Sub-neural 
■ 
•• 
- 
•• 
" 
■ 2S££ 
■■ 
SK 
" 
? 
p s,tr 
P band. al 
5C 
aS 
•• 
" 
■ 
P lTuT‘ 
sS 
- 
s Nepliridi: 
* 
•• 
- 
Is 
-ir 
:s ; Nephridi 
a .. 
•• 
• 
s 
11 
.££ 
■■ 
n 
- 
:s 
