EXPLANATION OF PLATE XXXV. 
Figure 1. PLEUROCERA SUBULARE Lea. Males. 
PLEUROCERA SUBULARE Lea. Females. 
PLEUROCERA SUBULARE INTENSUM Anthony. 
“4, PLEUROCERA ELEVATUM Say. 
5, PLEUROCERA ELEVATUM LEWISII Lea. 
“6. PLEUROCERA ELEVATUM LEWISII Lea. 
7. GONIOBASIS LIVESCENS Menke. 
“ 8. GONIOBASIS LIVESCENS DEPYGIS Say. 
« 9, CAMPELOMA PONDEROSUM Say. 
All natural diameter. 
