^M//c 



Fig. CXX. — Conchoecia obiusata G. O. Sabs. — 1. Shell seen from^the side, (J; 70 X. 2. Shell seen from the side, 

 $;' 52 X. 3. Shell seen from below, (J; 55 X. 4. The selvage on^the rostrum, ?; 833 X. 5. Equipment of the 

 e-bristle of the first antenna, (J; 513 X. 6. Distal part of the left first antenna and the rod-shai)iil organ; the b-, 

 d- and e-bristles of the antenna are broken, <J; 353 X. 7. Distal part of the rod-shaped organ and the first antenna, 

 (J; 400 X. 8. Distal part of the right first antenna and the rod-shaped organ, $; 353 X. 9. Kndopodite of the right 

 second antenna seen from inside, the distal bristles are broken, <J: 353 X. 10, Distal part of the endopodite of the 

 left second antenna seen from inside, the distal bristles are broken, J; 353 X. (-Ml these figures are drawn from 



specimens from Skager Rak.) 



