so KAI^SAS ACADEMY OF SCIENCE. 



Fig. 1. Cyclops tenuicornis, CIs. Adult female from above. 



" 2. C. tenuicornis, Cl.s. Second antenna. 



" 3. C. tenuicornis, CIs. Caudal rami and furniture, with last abdominal segment. 



" 4. C. tenuicornis, C\s. Swimming-foot of the (? fourth) pair. 



" 5. C. tenuicornis, CIs. First antenna. 



" 6. C. tenuicornis, Cis. Maxilla. 



" 7. C. tenuicornis, CIs. Second maxilliped. 



" 8. C. tenuicornis, CIs. Portion of labrum with eleven teeth. 



" 9. C. tenuicornis, CIs. First maxilliped. 



" 10. C. tenuicornis, CIs. Complete labrum with nine teeth. 



" 11. C. tenuicornis, CIs. Mandible and palp. 



" 12. C. tenuicornis, CIs. Fifth foot. 



" 13. C. tenuicornis, CIs. List thoracic segment. 



" 14. C. tenuicornis, CIs. Diagrammatic outline of cemental gland. 



" 15. C. signatus, CIs. Second maxilliped. 



PLATE III. 



Eig. 1. Cyclops Thomasi, Forbes. First abdominal segment of male from side. 



" 2. C. Thomasi, Forbes. First antennae of male from side. 



" 3. C. Thomasi, Forbes. Adult male from above. 



" 4. C. Thomasi, Forbes. Adult female from above, drawn to the same scale as 

 fig. 3, to show relative size of the sexes. 



" 5. C Thomasi, Forbes. Fifch foot of a male. 



" 6. C Thomasi, Forbes. .Just hatched nauplius. 



" 7. C. Thomasi, Forbes. Filth foot of a female. 



" 8. C. Thomasi, Forbes. First antenna of female. 



" 9. C Thomasi, Forbes. First abdominal segment of female, showing the cemental 

 gland from above, and the anterior constriction dividing the segment into 

 two portions, ( homologues of the first and second abdominal segments of 

 the male?) 



" 10. C. Thomasi, Forbes. Labrum. 



" 11. C. Thomasi, Forbes. Caudal ramus from outer side. 



" 12. C. Thomasi, Forbes. First abdominal segment of female from the side ( and 

 partly from below), showing the cemental gland and the male capsules 

 ( spermatophores ) attached to the vulvte. 



" 13. C. Thomasi, Forbes. Urst maxilliped. 



" 14. C. magnoctavus, sp. n. Adult female from above. 



" 15. G. magnoctavus, sp. n. First antenna of female. 



" 16. C. magnoctavus, sp. n. A portion of the abdomen, with caudal rami and fur- 

 niture. 



" 17. C. magnoctavus, sp. p. Fifth foot. 



■" 18. C magnoctavus, sp. n. Labrum. 



" 19. C magnoctavus, sp. n. Ovisac with minimum number of eggs. 



" 20. C. magnoctavus, sp. n. Second antenna. 



*' 21. C. magnoctavus, sp. n. Apical joint of inner branch of a foot of the first pair. 



*' 22. C magnoctavus, sp. n. Apical joint of outer branch of a foot of the first pair. 



" 23. C. magnoctavus, sp. n. Second maxilliped. 



