45 



Diaptomus albuquerquensis n, 8^. 



(Figures 16—26.) 



Species of moderate size. The cephalothorax is widest near the 



middle. The last two segments are fused and the last projects laterally 



where it is armed with two strong spines ; there is also a dorsal pro- 



tuherance from the last segment. The first abdominal segment is 



Fig. 16. Fig. 17. Fig. 18. Fig. !(►. 



Fig. 21. 



Fig. 19. 



Fig. 2(>. 



Fig. 25. 



Fig. 22. Fig. 23. 



Fig. 24. 



Fig. 16. Diaptomus albuquerquensis, Fig. 21. 



dorsal view. Pig. 22. 



Fig. 17. Lateral view of female. Fig. 23. 



Fig. 18. Abdomen. Fig. 24. 



Fig. 19. Fifth foot of female. Fig. 25. 



Fig. 20. Antennule. Fig. 26. 



Jaw. 



Maxilliped. 

 First swimming foot. 

 Fourth foot. 

 Male antenna. 

 Fifth feet of male. 



longer than the remainder and projects laterally into two strong spi- 

 nes; second segment very short, invaginately concealed in the preced- 

 ing. Caudal stylets short but nearly as long as the preceding segment, 



