SEA-FISHERIES LABORATORY. 175 



fourth pair, X 127. 22. Foot of second pair, 

 male, X 127. 23. Foot of fifth pair, X 125. 

 24. Foot of fifth pair, male, X 125. 25. Abdo- 

 men and caudal stylets, X 53. 



Plate II. 



Ameira gracile, n. sp. 



Fig. 1. Female seen from the side, X 64. 2. Antennule, 

 X 152. 3. Antennule, male, X 152. 4. An- 

 tenna, X 253. 5. Mandible, X 380. 6. Pos- 

 terior foot-jaw, X 380. 7. Foot of first pair 

 of swimming feet, X 170. 8. Foot of fouith 

 pair, X 170. 9. Foot of fifth pair, X 380. 10. 

 Foot of fifth pair, male, X 380. 11. Abdomen 

 and caudal stylets, X 80. 

 Canthocamptus pahistris, Brady. 



Fig. 12. Female seen from the side, X 50. 13. Anten- 

 nule, X 200. 14. Antennule, male, X 152. 

 15. Antenna, X 253. 16. Mandible, X 300. 

 17. Posterior foot-jaw, X 380. 18. Foot of 

 first pair of swimming feet, X 170. 19. Foot of 

 fourth pair, X 170. 20. Foot of fifth pair, 

 X 253. 21. Foot of fifth pair, male, X 253. 

 22. Appendage to the first abdominal segment, 

 male, X 253. 23. Abdomen and caudal stylets, 

 X 80. 

 Tetragoniceps trispinosus, n. sp. 



Fig. 24. Posterior foot-jaw, X 300. 25. Foot of fifth 

 pair, X 380. 



Plate III. 



Tetragoniceps trispinosns, n. sp. 

 Fig. 1. Female seen from above, X 80. 2. Antennule, 

 X 170. 3. Antenna, X 253, 4. Foot of first 



