OF NORTH AMERICA. 525 



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



Ind. (TYPES, 23626). 



Figure 1, enlarged 1^ 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 shurtleM (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 l*/ 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 reflexa (SAY). Robey, Ind. Young (23504). 



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

 5-7. Galba reflexa (SAY). Near La Porte, Ind. (23635). Immature. 



8. Galba reflexa (SAY). Winnebago Co., Ills. (23515). 



9. Galba iowaensis (BAKER). Muscatine, la. COTYPE =reflexa, SAY, 



immature (33520). 



10. Galba reflexa (SAY). Calumet Lake, Ills. (23521). 

 11-13. Galba reflexa (SAY). Calumet River, Ills. (23519). 



14. Galba reflexa (SAY). Lake Champlain, Vt. (Bos. Soc., N. H., 13592). 

 15-17. Galba reflexa (SAY). Romeo, Ills. (23522). 



18. Galba reflexa (SAY). Lake Albert Lea, Minn. (23525). 



19. Galba reflexa (SAY). Davenport, la. (23524). 

 20-21. Galba reflexa (SAY). Lockport, Ills. (23526). 

 22. Galba reflexa (SAY). Lockport, Ills. (23516). 



Figures 3 and 4, enlarged 1 l / 2 diameters; the other figures are slightly enlarged. 



