2 
Psyche 
[February 
The eggs are inserted between the stem and the leaf sheath at a 
point where the sheath adheres closely to the stem, the mass 
lying parallel with and very near to the edge of the sheath. It is 
evident from all the egg masses thus far observed that the female 
does not^thrust her ovipositor thru any portion of the plant tissue, 
Fig. I. A, P hilar onia bilineata (Say), egg mass; a, egg of same; B, Philaenus lineatus 
Linn. eggs in situ; b, egg of same; C, Philaenus leucophthalmus Linn, egg mass; c, egg of 
but merely inserts the eggs between the stalk and leaf sheath. 
Frequently the masses can be seen thru the leaf sheath, particu- 
larly when the latter is dried. Sometimes a portion of the mass 
can be seen exposed along the edge of the sheath. 
