Plate 77 
This plate from Proceedings of the United States National Museum. 
FIGURE PAGE 
1. Bittium nichoist Bartsch.Not in text 
Type. Lower California. 
2. Bittium nitens Bartsch.Not in text 
Type. 
3. Bittium cschrichtii icelum Bartsch.... 19 
4. Bittium laruni Bartsch. 34 
Type. 
5. Bittium subplanatum Bartsch. 23 
Type. 
