Van Name. — Simple Ascidians. 
Plate 70. 
142 
J'J 
■a? 
< / 
') 
145 
^4 
^A 
146 
. t*^<ff. 
■I 
•3^ 
145 
''W- ^ -Wf" ( 
147 
X 
Proc. Boston Soc. Nat. Hist. Vol. 34. 
