262 Wisconsin Academy of Sciences , Arts, and Letters. 
EXPLANATION OF PLATE XXI. 
Fig. 1, Cyllobelus chionogaster, male X 8; la, female X 8; lb, pal 
pus; lc epigynum. 
Fig. 2, Cyllobelus australis, female X 6; 2a, epigynum. 
Fig. 3, Saitis mundus, male X 6; 3a, palpus. 
Fig. 4, Saitis Leighii, male X 6; 4a, palpus. 
Fig. 5, Saitis sapiens, male X 6; 5a, palpus. 
Fig. 6, Heliophanus elarus, female X 6; 6a, epigynum. 
