Fig. CWll. — Conchoecla elegans G. O. Sars. — 1. Shell seou truin the side, S' 40 X. 2. Shell seen from below, 

 3: 33 X. 3. and 4. Postero-dorsal corner of the shell seen from inside, 3: 400 X. 5. Shell seen from the side, cj juv., 

 stage 1 : 40 X. 6. Endopodile of the right second antenna seen from inside, the long distal bristles are broken, cj; 353 X. 

 7. Clasping appendage of the endopodite of the left second antenna. 3; 353 X. 8. Endopodite of the left second 

 antenna seen from inside, the distal bristles are broken, ?; 400 X. 9. Endopodite (distal joint) of the right second antenna 

 seen from outside, the end bristles are broken, cJ juv., stage I.; 400 X. 10. Pro.ximal tooth-list of the right mandible 

 .seen from inside, 3; 1033 X. 11. Distal part of the sixth limb, ?; 187 X. 12. Penis seen from outside; 260 X. 

 13. Distal part of the rod-shaped organ, $; 450 X. (Figs. 1 — 3, 6 — 8, 11, 12 are drawn from specimens from Lofoten; 

 figs. 5, 9, 10, i:i fi'om specimens from Koster and fig. 4 from a specimen from station 64 b.) 



