Fig. CXXl!. — Cunchoccia roiitndaia G. W. Mi ller. — 1. Shell seen fioni tlie side, ^J; 5;{ X. 2. Shell seen fioin below. 

 ,£: 40 X. 3. Shell seen from the side, $; 53 X. 4. Right I'irst antenna -)- the rol-shaped organ, the b-, d- and ebiistle.s 

 are broken, cj; 167 X. 5. Equipment of the e-bristle of this antenna, rj; 453 X. 6. Equipment of the d-bristle of this 

 antenna, o; 833 X. >. Endopodite of the right second antenna seen from inside, ^; 367 X. 8. Clasping appendage 

 of the endopodite of the left second antenna, 5; 367 X. 9. Toothed edge of the pars incisiva of the left mandible 

 seen from inside, o; 1033 X. 10 and 11. Distal and proximal tooth-lists of the right mandible seen from inside, J; 

 1033 X. 12. Basale -j- the endopodite of the right maxilla seen from inside, ?: 400 X. 13. Distal part of the penis 

 seen from outside; 567 X. 14. Paragnatc, seen from below, ?; 400 X. (All these figures are drawn from specimens 



from station 64 b.) 



