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Wisconsin Academy of Sciences, Arts and Letters. 
PLATE LYI. 
PlatypTiylax designatus. 
Fig. 1. First leg, larva, X 34. 
Fig. 2. Maxillae, larva, X 34. 
Fig. 3. Clypeus, larva, X 15. 
Fig. 4. Mandible, pupa, X 34. 
Platyphylax subfasciatus. 
Fig. 5. Male genitalia, lateral, X 7 . 
Fig. 6. Male genitalia, ventral, X 8. 
Fig. 7. Wings. 
Fig. 8. Posterior border of first abdominal segment, pupa, X 15. 
Fig. 9. Labrum, (circles indicate position of hairs) pupa, X 20. 
Fig. 10. Posterior end of abdomen, x 15. 
Fig. 11. Outline shapes of openings in posterior ends of cases. 
Helicopsyche borealis. 
Fig. 12. Male genitalia, lateral, X 47. 
Fig. 13. Male genitalia, ventral, X 47. 
Fig. 14. Anal appendage, pupa, X 47. 
Fig. 15. Labrum, pupa, X 47. 
Fig. 16. Mandible, pupa, X 47. 
Fig. 17. Clypeus, larva, X 34. 
Fig. 18. Portion of lateral hump of larva. The spines point forward 
X 144. 
Fig. 19. a, b, c. 3rd, 2nd, and 1st legs, X 20. 
Fig. 20. Dragging hook, larva, X 47. 
Fig. 21. Labrum, larva, X 60. 
Fig. 22. Maxillae, larva, X 60. 
