Plate 51 
This plate from Proceedings of the United States National Museum , 52. 
FIGURE PAGE 
1. Turbonilla monteznma Bartsch.Not in text 
2. Turbonilla santamariana Bartsch.Not in text 
3. Turbonilla doredona Bartsch. 106 
4. Turbonilla pugetensis Bartsch. 113 
5. Turbonilla guilleni Bartsch.Not in text 
6. Turbonilla eva Bartsch. 130 
7. Turbonilla tremperi Bartsch. 114 
8. Turbonilla hcmphilli Bartsch.Not in text 
9. Turbonilla barkleyensis Bartsch. 105 
10. Turbonilla ina Bartsch... .. 128 
11. Turbonilla canadensis Bartsch. 96 
