Or 
a 
— 
LYMNAIDZ OF NORTH AMERICA. 
PLATE XXVI. 
Figures 1-2. Acella haldemani ( (DEsH.) Binney). Grand Rapids, Mich. 
(23909). 
3-4. Acella haldemani ( (DEsH) BINNEY). Reed’s Lake, Mich. (23910). 
5-7. Galba bulimoides cockerelli (Pmrspry and Ferriss). Chaco Canyon, 
New Mexico. (23227). 
8-10. Galba obrussa (Say). Monocacy Creek, Bethlehem, Pa. (24633). 
11-13. Galba obrussa (SAy). Lebanon, Pa. (24630). 
14-16. Galba petoskeyensis (WALKER). Petoskey, Mich. (Corypes, 
23316). 
17-20. Galba palustris (Mt irr). Sugar Island, Alpena, Mich. (23424). 
21-26. Galba palustris (MULLER). Halma, Minn. (23381). Figures 17-26 
are excellent examples of spire variation. 
27-28. Galba palustris (MUtiER). Fort Erie, N. Y. (23421). 
29-32. Galba palustris (MULLER). Braddock’s Bay, near Charlotte, N. Y. 
(23415). 
33-34. Galba palustris (MULLER). Ebenezer, N. Y. (23412). 
35-37. Galba palustris (MULLER). Windsor, Colo. (23451). 
Figures 1-4, 8-13, enlarged 11%4 diameters; 5-7, enlarged 2 diameters; other figures 
about natural size. 
PLATE XXXVI 
, 
Figures 1-2. Galba truncatula (MULLER). Roundhay, Leeds, England. (Phila. 
‘ Acad., 58939). 
3-4. Galba truncatula (MULLER). Park Lane, Burnley, England. (Phila. 
Acad., 66691). 
5-8. Galba doddsi BAKER. Hot Sulphur Springs, Colo. (Types 23937). 
9-10. Galba cubensis (Prr.). Havana, Cuba (23318). 
11. Galba cubensis (Prr.). Havana, Cuba (23319). 
12. Galba cubensis (PFr.). Valles, Mexico (23320). 
13-15. Galba cubensis (Prr.). Pujal Lake, Valles, Mexico (24634). 
16. Galba cubensis (Prr.).. Valles, Mexico (23886). 
17-19. Galba cubensis aspirans (Pitspry). Barbadoes (23224). 
20. Galba bryanti BAKER. (=bulimoides, juv.). Alameda, Cal. (Type, 
coll. Walker, 1352). 
21-24. Galba‘bulimoides (Lea). Menton Ranch, Santa Clara Co., Cal. 
(24536). 
25. Galba bulimoides (LEA). Oregon (Type, Smith coll., 118647). 
26-28. Galba bulimoides (Lea). San Luis Obispo Co., Cal. (Coll. 
Walker, 3760). 
29. Galba bulimoides (LEA). Pajaro Valley, Cal. (24567). (—=adeline 
TRYON.) 
30. Galba bulimoides techella (HAtp.).° Bixby, Cal. (24509). 
31. Galba bulimoides techella (Hatp.). Bardsdale, Ventura Co., Cal. 
(23946). 
32. Galba bulimoides techella (Hatp.). Rockwell Co., Texas (23323). 
33-35. Galba bulimoides techella (HaAtp.). Bardsdale, Cal. (23942). 
All figures enlarged about two diameters. 
