1968] 
Chickering — Genus Ischnothyreus 
79 
Figs. 1-10. Ischnothyreus peltifer (Simon). Fig. 1. Eyes from above. 
Fig. 2. Distal end of left chelicera ; retrolateral view. Fig. 3. Base of left 
cheliceral fang in profile. Fig. 4. Abdomen of male from above. Fig. 5. 
Epigastric and ventral scuta of male ; genital aperture ; from below. Figs. 
6-7. Nearly retrolateral and prolateral views of left palpal tarsus, re- 
spectively. Fig. 8. Left palpal femur, patella and tibia, nearly prolateral 
view. Fig. 9. Female abdomen from above. Fig. 10. Epigastric and ventral 
scuta of female with epigynal area. 
light yellowish surrounding parts. The abdomen is ovoid; provided 
with both dorsal and ventral scuta (contrary to some published state- 
ments) although these may be poorly developed in certain species; 
in males the dorsal scutum extends about two thirds of the distance 
from base to posterior end but is considerably shorter in females 
(Figs. 4, 9) ; the epigastric scutum is moderately well developed in 
