1304 
Wisconsin Academy of Sciences, Arts, and Letters. 
EXPLANATION OP THE PLATES 
Plate XCII 
Fig. 1, Frontipoda americana nov. spec., lateral view 
“ 2, Frontipoda americana nov. spec., ventral view 
“ 3, Frontipoda americana nov. spec., dorsal view 
“ 4, Frontipoda americana nov. spec., 1st leg 
“ 5, Frontipoda americana nov. spec., 4th leg 
“ 6, Frontipoda americana nov. spec., palpi and maxillary shield 
" 7, Frontipoda americana nov. spec., right palpus, inner side 
" 8, Frontipoda americana nov. spec., surface markings, a, young 
adult; b, older adult 
“ 9, Arrhenurus crenellatus Mar., female, genital field 
“ 10, Arrhenurus crenellatus Mar., four joints of the left 4th leg, 
male 
“ 11, Arrhenurus crenellatus Mar., left palpus 
“ 12, Arrhenurus elevatus nov. spec., dorsal view 
“ 13, Arrhenurus elevatus nov. spec., ventral view 
“ 14, Arrhenurus elevatus nov. spec., lateral view 
“ 15, Arrhenurus elevatus nov. spec., left palpus 
Plate XCIII 
Fig. 16, Arrhenurus elevatus nov. spec., left 4th leg 
“ 17, Arrhenurus scutulatus Mar., right 4th leg 
** 18, Arrhenurus scutulatus Mar., right palpus 
“ 19, Arrhenurus infundibularis Mar., palpus 
“ 20, Arrhenurus scutuliformis Mar., female, dorsal view 
** 21, Lebertia distincta nov. spec., ventral view 
“ 22, Lebertia distincta nov. spec., right 4th leg 
** 23, Lebertia distincta nov. spec., left palpus 
Biological Laboratory, 
Rockford College. 
