354 
Psyche 
[December 
Fig. 16. Trachea 6. 
Fig. 17. Trachea 6, showing a transverse connection. 
Fig. 18. Trachese arising from prothoracic spiracle. 
Fig. 19. Trachea 5. 
Fig. 20. Tracheal supply to second abdominal ganglion. 
Fig. 21. Trachese to seventh and eighth abdominal gang- 
lion. 
Fig. 22. Trachese to neural commissures. 
Figs. 23, 24, 25. Tracheal supply to nerves. 
Plate III 
Fig. 26. 
Fig. 27. 
Fig. 28. 
Fig. 29. 
Fig. 30. 
Fig. 31. 
Fig. 32. 
Fig. 33. 
Trachese to thoracic appendages. 
Trachea to proleg of third abdominal segment. 
Trachea to anal proleg. 
Trachea to alimentary tract. 
Trachese to fat bodies, silk gland, and Malpighian 
tubules. 
Detail of tracheal supply to a Malpighian tubule. 
Showing fine trachese, arising near eighth ab- 
dominal spiracle, and placed tentatively with 
trachese to circulatory system. 
Trachese to the gonads. 
Abbreviations Used on Figures 
A. closing bow of tracheal closing apparatus, 
a. fat body in posterior part of thorax or in first abdominal 
segment. 
altr. alimentary tract, or trachese to alimentary tract, 
ant. antenna. 
ap. trachese to appendages. 
