1.YMNMWJE OF NORTH AMERICA. 525 



34-36. Galba palustris blatchleyi Baker. Turkey Lake, Kosciusko Co., 

 Ind. (Types, 23626). 

 Figure 1, enlarged IY2 diameters; figures 20, 22, 23, 24, 25, 34-36, slightly 

 enlarged ; other figures about natural size. 



PLATE XXXIV. 



Figures 1-2. Galba palustris desidiosa (Say). Say's figures, Amer. Conch., VI, 

 pi. 55, fig. 3. 



3-7. Galba palustris desidiosa (Say). Williamsville, N. Y. (23915). 

 8-9. Galba palustris desidiosa (Say). Small stream under Western 

 Wide Waters, Erie Canal, Rochester, N. Y. (23297). 

 10-12. Galba palustris desidiosa (Say). Seneca Lake, N. Y. (23484). 



13. Galba elodes shurtlefh (Tryon). Weatogue, Ct. (Cotype, Phil. Acad. 



Sci., 58160). 

 14-17. Galba elodes (Say). White Co., Ind. (23517). 



18. Galba elodes (Say). (=michiganensis Walker). Joliet, Ills. 



(23978). 



19. Galba elodes (Say). (=michiganensis Walker). Tippecanoe Lake, 



Ind. (23505). 



20. Galba palustris (Muller). East Saginaw, Mich. Form called 



"zebra" by Taylor (error for zebra Tryon. 23452). 

 21-22. Galba elodes (Say). Madison, Wis. (24705). 



23. Galba elodes (Say). Madison, Wis. (23482). 



24. Galba elodes (Say). Winnebago Co., Ills. (23514). 



25-28. Galba elodes jolietensis (Baker). Joliet, Ills. (Types, 23606). 

 29-30. Galba elodes jolietensis (Baker). Joliet, Ills. Showing variation 

 toward elodes (23611). 

 Figures 3-13, 18, 19, enlarged V/ 2 diameters; figures 24-28, slightly enlarged; 

 figures 20-23, 29-30, natural size. 



PLATE XXXV. 



Figures 1-2. Galba elodes jolietensis (Baker). Berry Lake, Chicago, Ills. 

 (23608). 



3. Galba reilexa (Say). Robey, Ind. Young (23504). 



4. Galba exilis (Lea). Skokie Marsh, near Glencoe, Ills. Young. 

 5-7. Galba reilexa (Say). Near La Porte, Ind. (23635). Immature. 



8. Galba reilexa (Say). Winnebago Co., Ills. (23515). 



9. Galba iowaensis (Baker). Muscatine, la. Cotype =reilexa, Say, 



immature (23520). 

 10. Galba reilexa (Say). Calumet Lake, Ills. (23521). 

 11-13. Galba reilexa (Say). Calumet River, Ills. (23519). 



14. Galba reilexa (Say). Lake Champlain, Vt. (Bos. Soc, N. H., 13592). 

 15-17. Galba reilexa (Say). Romeo, Ills. (23522). 



18. Galba reilexa (Say) . Lake Albert Lea, Minn. (23525). 



19. Galba reilexa (Say). Davenport, la. (23524). 

 20-21. Galba reilexa (Say). Lockport, Ills. (23526). 

 22. Galba reilexa (Say). Lockport, Ills. (23516). 



Figures 3 and 4, enlarged V/ 2 diameters; the other figures are slightly enlarged. 



