Macrothrix tenuicornis. 
1. Lateral view. 
la. Labrum. 
2. First foot. 
3. Antenne of young. 
4. Macrothrix pauper. 
Macrothrix rosea. 
— 
Antenna of male. 
Spines of shell margins. 
7. Post-abdomen. 
oD 
Macrothrix laticornis. 
8. Male. 
9. Semen cells. 
10. Pasithea rectirostris. Male antenna. 
11. Macrothrix rosea. Post-abdomen. 
2: e tenuicornis. Post-abdomen. 
tee Be rosea. Post-abdomen of male. 
14. Drepanothrix dentata. Antenna. 
Ilyocryptus sordidus. 
15. Marginal spines. 
16. Antenna. 
17. Post-abdomen. 
Ilyoecryptus spinifer. 
18. Lateral view. 
18a. Marginal spines. 
19. Antenna. 
20. Macrothrix tenuicornis. Heart and accompanying vessels. 
21. Ilyocryptus spinifer. Post-abdomen. 
