618 Wisconsin Academy of Sciences, Arts and Letters. 
EXPLANATION OF PLATE XXXIX. 
Fig. x. Marpissa undata, epigynum; la, male palpus. 
Fig. 2, M. californica, epigynum; 2a, male palpus. 
Fig. 3, M. melanognatha, male palpus; 3a, epigynum. 
Fig. 4, Menemerus vittatus, female under alcohol, X 4; 4a, epigynum. 
Fig. 5, Metacyrba tseniola, epigynum; 5a, male palpus. 
Fig. 6, Hyctia robusta, female under alcohol, X 4. 
Fig. 7, Hyctia Pikei, female X 8; 7a, male palpus; 7b, epigynum. 
Fig. 8, Hyctia bina, female X 4; 8a, male X 4; 8b, 8c, male palpus; 
8d, epigynum. 
Fig. 9, Onondaga lineata, female X 4; 9a, end of falx; 9b, epigynum; 
9c, 9d, male palpus; 9e, male X 6. 
Fig. 10, Pseudicius piraticus, female X 5; 10a, 10b, male palpus. 
Fig. 11, Pseudicius siticulosus, female X 6; 11a, epigynum. 
