620 
Wisconsin Academy of Sciences, Arts and Letters. 
EXPLANATION OF PLATE XL. 
Fig. 1, Marpissa undata, abdomen of female X 2. 
Fig. 2, M. californica, abdomen of female X 2. 
Fig. 3, M. melanognatha, abdomen of male X 2; 3a, abdomen of female 
X 2. 
Fig. 4, Metacyrba tseinola, abdomen of female X 2. 
Fig. 5, 5a, Pseudicius monticolus, male palpus. 
Fig. 6, 6a, Icius sexmaculatus, male palpus. 
Fig. 7, Icius formicarius, epigynum; 7a, male palpus. 
Fig. 8, Hyctia Pikei, abdomen of male X 2; 8a, face and falces of fe¬ 
male; 8b, profile of cephalothorax. 
Fig. 9, Marcbena sissonii, male palpus. 
Fig. 10, Marchena minuta, abdomen of female X 2. 
Fig. 11, Icius vitis, epigynum. 
Fig. 12, 12a, Wala grenada, male palpus. 
