Camptocercus rectirostris. 
Fie, 
1. Post-abdomen of female. 
2. Post-abdomen of male. 
3. Male. . 
4. Camptocercus biserratus. Head. 
5. et latirostris. Head of male. 
6. yi latirostris. Head of female. 
7. i lilljeborgii. Head. 
8. 4 lilljeborgii. Post-abdomen of female. 
9. Acroperus leucocephalus. Post-abdomen of male. 
10. is angustatus. Post-abdomen of male. 
11. Alona tenuicaudis. Post-abdomen. 
12: ‘* dentata. Post-abdomen. 
13. ‘¢ dentata. Female. 
14, ‘‘ elegans. 
15. ‘¢ intermedia. Post-abdomen. 
16. Pleuroxus hastatus. 
17. Leptorhynchus falcatus. 
18. Phrixura rectirostris. Post-abdomen. 
19. Kurycercus lamellatus. First foot of female. - 
20. Alona sanguinea. Shell markings. 
Monospilus tenuirostris Fischer. 
21. Lateral view. 
21a. Head seen from in front. 
Figures 19 to 21 original, others from Kurz, P. E. Mueller and 
Schoedler. 
