COPEPODA. 2'J5 



EXPLANATION OF PLATES. 



PLATE I. 



Fig. 1. Ridgcvxci/ia typica, n. gen. et a. sp., female, from left side, x 80. 



2. ,, ,, last thoracic segment, from left side. x 160. 



3. ,, anterior antenna. x 123. 



,, 4. ,, ,, posterior antenna. x 220. 



,, 5. ,, ,, mandible and palp. x 220. 



G. ,, ,, maxilla. x 220. 



7. ,, ,, 1st maxilliped. x 220. 



8. 2nd x 220. 



,, 9. ,, 1st natatory leg. x 220. 



10. 2nd x 220. 



11. 4th x 220. 



12. 5th x 220. 



13. ,, ,, abdomen and furca, from above. x 53. 



14. G&niropages tetmiremis, n. sp., female, from above, x 40. 



15. ,, ,, 5th pair of natatory legs, female. x 106. 



,, 16. ,, right anterior antenna, male, x 53. 



,, 17. ,, ,, 5th pair of natatory legs, male. x 106. 



,, 18. ,, abdomen and furca (male), from above. x 53. 



,, 19. Centrvpages dortispinatus, n. sp., female, from above, x 53. 



,, 20. ,, ,, cephalic segment, from left side, x 53. 



,, 21. ,, ,, basal joints of anterior antenna. 1 , female. x 106. 



,, 22. ,, 5th natatory leg, female. x 106. 



,, 23. ,, ,, right anterior antenna, male. x 53. 



,, 24. ,, ,, 5th pair of natatory legs, male. x 106. 



,, 25. ,, abdomen and furca (male), from above. x 53. 



PLATE II. 



Fig. 1. Pontellu dance, var. ceylonica, female, from above, x 32. 



,, 2. ,, ,, rostrum. x 80. 



,, 3. ., ,, ,, inner branch of 1st natatory leg. x 159. 



,, 4. ,, ,, 5th pair of natatory legs. x 80. 



,, 5. ,, ,, ,, abdomen and furca. x 53. 



., 6. Labidocera kroi/eri, var. gallensis, male, 5th pair of natatory legs. x 53. 



7. last thoracic and 1st abdominal segments, x 53. 



8. ., var. stylifera, male, 5th pair of natatory legs. x 53. 



9. last thoracie and 1st abdominal segments. x 53. 



,, 10. Labuluceru pectinatu, n. sp., female, from above. x 40. 



,,11. ,, ,, rostrum. x 106. 



12. ,, inner branch of 1st natatory leg. x 160. 



,, 13. ,, ,, 5th pair of natatory legs. x 106. 



,, 14. ,, abdomen and furca. x 80. 



,, 15. l'onh llujisis hi ril urn iii, n. sp., female, from above. x 40. 



,, 16. ,, ,, ,, rostrum. x 80. 



