DEUTSCHE TIEFSEE-EXPEDITION 1898-99. Bd.XV. 
GHUN: 
CEPHALOPODA. 
ves. sem" —--- 
& 
can.ch, 
= prost 
ORcH. 
ii 
1 
v 
b. sperm= 
\ | 
RE 
An & 
> 
. 
VES.SEht? 
refl! 
refl2 
fibr 
[AR : 
Abraliopsis, 
Taf. X. 
Hertokotylus, 
Leuchtorgane. 
