HIG 
Fig. 
Fia. 
HIG. 
FIG. 
EXPLANATION OF PLATES 43 
PEATE XG 
. 1.— Basal portion of antenna of adult male of C. sphenariordes 
viewed from the side. 
la. Transverse section of third segment. 
1b. Transverse section of fifth segment. 
lc. Transverse section of seventh segment. 
2.—Basal portion of antenna of female C. sphenarioides viewed 
from the side. 
2a. Transverse section of third segment. 
2b. Transverse section of fifth segment. 
2c. Transverse section of seventh segment. 
3.— Inner surface of dorsal wall of first abdominal segment to show 
dorsal gland in position. Between it and the dorsal wall Jie the 
longitudinal muscles which move one segment on the next. 
4.—Dorsal wall of first abdominal segment viewed from within. 
The gland is turned back on to the second abdominal segment: 
5.—Portion of grasshopper viewed from above to show: the gland 
shining through the dorsal wall and its opening on the articular 
membrane between the first and second abdominal segments. 

