1927] Study of the Male Abdominal Appendages of Apantesis 145 
Explanation of Plates IV and V. 
The left clasper is shown, as seen from its inner surface. 
The uncus, attached to the dorsal half of the tegumen, is seen 
from above; the uncus is more heavily outlined. The juxta is 
seen from below. The right lateral aspect of the sedoeagus is 
shown, the dorsum to the right. Drawings were made with 
camera lucida; all are to the same scale. 
Figs. 1-7, A. nais. 
1, sedoeagus. 2, clasper. 3, clasper, variation. 
4, sedoeagus, aberration. 5, uncus. 6-7 juxta, varia- 
tions. 
Figs. 8-21. A. vittata. 
8, 14, 15, normal forms of sedoeagus. 10, 11, juxta. 
12, uncus. 13, clasper. 9, 16 claspers, variations. 
17, 21, sedoeagus of aberrant form. 18, 19, 20, clasper, 
juxta and uncus of aberrant form. 
Figs. 22-28, A. radians. 
22, 26, 27, forms of sedoeagus. 23, 28, claspers. 
24, uncus. 25, juxta. 
Figs. 29-38, A. phalerata. 
29, sedoeagus. 30, normal clasper. 31, uncus. 
32, clasper, variation. 33, juxta. 34, lateral view of 
juxta. 35-38, variations of sedoeagus, (ventral aspect). 
