OSTRACODA. 



CONCHCECIA INNOMINATA. 



Fig. 7. Shell of male seen from left side x 22. 



,, 8. Antcnmilc and frontal tentacle of male x *l. 

 '.I. female x 84. 



in. Internal branch of antenna of female x 84. 

 ,,11. male X ,s-l. 



12. Chewing process of mandible X '24(1. 



1:5. Copulatory organ of male x 84. 



,, 14. Post-abdominal lamina x 84. 



PLATE III. 

 PHILOMEDES ANTARCTICA. 



Fig. 1. Shell of male seen from left side X 30. 

 2. female seen from right side X 30. 



3. above x :'.n. 



4. Margin of shell of female with subrostral sinus x *4. 



., 5. Eyes and frontal tentacle of male X 55. 



6. Secondary branch of antenna of female x UMI. 

 : , 7. ,, male X inn. 



N. Portion of second seta of antenna of female with marginal spines x 320. 



J. Tooth of second maxilla of female X 84. 



,, 10. Caudal lamina of female x 84. 



LlNOCHELES VAGANS $ . 



Fig. 1 1 . Outline of .shell seen from left side X 84. 



., 1-. ,, above X 81. 



13. Antennule x -'in. 



.. 14. Antenna (apical joints) x 24n. 



., 15. Foot of first pair x -In. 



., 1C>. second pair x 240. 



., 17. third pair X 240. 



18. Copulatory organ X 240. 



