234 WILSON P. GEE. 



Verson, E. 



'91 Cellule glandular! ipostigmatische nel Bonil/yx inori. Boll. Soc. entomol. 

 Ital.. Anno XXIII. 



'92 Altre cellule glandulari (epigastriche) di origine postlarvale. Richerche 



Anat. Staz. Bacol. Padova, \'II. 

 Wheeler, W. M. 



'92 Concerning the blood-tissue of insects. Psyche, VI. 

 Weissenberg, R. 



'07 Onocyten von Torymus nigricornis Boh. Zool. Jahrb., XXIII. (Anat.). 

 Wielowiejski, H. R. 



"86 Uber das Blutgewebe der Insekten. Zeitschr. wiss. Zool., XLIII. 



EXPLANATION OF PLATE. 



All figures drawn with a camera-lucida. X 630. 



FIG. i. CEnocyte from a 4.5 mm. larva. 



FIG. 2. One of the smaller a-nocytes from a 6 mm. larva. 



FIG. 3. One of the larger cenocytes from a 6 mm. larva. 



FIG. 4. CEnocyte from a 12 mm. larva. 



FIG. 5. CEnocyte of late larval period showing vacuoles in cytoplasm. 



FIG. 6. CEnocyte of pupal stage. 



Kin. 7. CEnocyte from newly emerged imago, showing signs of degeneration. 



