LUSTRATIONS, 



PLATES. 



Page. 



Plate T. Fi<^. 1. — Granular appearance of proliferation Frontispiece 



Fig. 2. — Proliferation among anthers following feeding puncture. . .Frontispiece 

 Fig. 3. — Proliferation following weevil feeding puncture in square. .Frontispiece 

 Fig. 4. — Proliferation following weevil feeding puncture in boll... .Frontispiece 



II. Fig. 5. — Bollwonn full-grown, feeding on boll 28 



Fig. 6. — Punctures of small boUworm in square, proliferation protruding. 28 



Fig. 7. — Scjuare-borer at work 28 



ni. Fig. S. — Boll fed on by bugs, showing no external injury 28 



Fig. 9. — Inside of carpel shown in fig. 8, proliferation starting 28 



Fig. 10. — Section of boll fed upon by Pentatoma ligata, proliferation in 



seeds 28 



Fig. 11 . — Section of proliferated seed 28 



Fig. 12. — Boll showing anthracnose disease which may cause proliferation . 28 



IV. Fig. 13. — Proliferat ion in seeds from artificial injection of water 30 



Fig. 14. — Proliferation in carpel and seed from artificial injection of acetic 



acid 30 



Fig. 15. — Proliferation enveloping larva in boll 30 



Fig. 16. — Boll burst open by internal pressure of proliferation 30 



V. Fig. 17. — Numerous proliferations starting on inner sides of carpels 36 



Fig. 18. — Proliferation pushing into pupal cell, pressing upon pupa 36 



Fig. 19. — ^Adult weevil deformed by pressure of proliferation 36 



Fig. 20. — Mass of proliferous cells upon inside of carpel 36 



VI. Fig. 21. — Locks completely filled with proliferation; a, original egg punc- 

 ture ; /*, larva surrounded and crushed to death 36 



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