PLATE 3 



MISCELLANEOUS TERRESTRIAL GASTROPODS OF 

 WOODLAND BORDERS AND PRAIRIES 



Various magnifications 



Figs. A, B, C. - Euconulus fulvus (Muller); umbilical, apertural, and spiral views, 

 respectively. Peoria loess, NW| NE{ sec. 33, T. 9 N., R. 13 W., Greene 

 County. Enlarged approximately 6X. 



Figs. D, E, F. - Helicodiscus parallelus (Say); umbilical, spiral, and apertural 

 views, respectively. Peoria loess, SW^ NE^ SW^ sec. 4, T. 8 N., R. 13 

 W., Jersey County. Enlarged approximately 6X. 



Figs. G, H, I. - Retinella e lee tr inn (Gould); umbilical, apertural, and spiral views, 

 respectively. Peoria loess, SW{ NE| SW| sec. 4, T. 8 N., R. 13 W., Jer- 

 sey County. Enlarged approximately 6X. 



Figs. J, K. -Vallonia Uracil icostaReinhardt; umbilical and spiral views, respec- 

 tively. Peoria loess, "The Rocks" section, 1 mile SE of bridge on Ohio 

 River, Shawneetown, Illinois, in Union County, Kentucky. Enlarged approx- 

 imately 6X. 



Figs. L, M, N. - Hendersonia occulta (Say); umbilical, apertural, and spiral views, 

 respectively. Peoria loess, "The Rocks" section, 1 mile SE of bridge on 

 Ohio River at Shawneetown, Illinois, in Union County, Kentucky. Enlarged 

 approximately 3|X. 



Figs. O, P. - Discus cronkhitei (Newcomb); umbilical and spiral views, respec- 

 tively. Peoria loess, "The Rocks" section, 1 mile SE of bridge on Ohio 

 River at Shawneetown, Illinois, in Union County, Kentucky. Enlarged ap- 

 proximately 3X. 



Figs. Q, R. -' Discus macclintocki Baker; umbilical and spiral views, respectively. 

 Peoria loess, SW{ NE} SW{ sec. 4, T. 8 N., R. 13 W., Jersey County. 

 Enlarged approximately 2 2/3X. 



Figs. S, T, U. - Haplotrema concavum (Say); umbilical, apertural, and spiral views, 

 respectively. Peoria loess, NW corner SE| SE{ sec. 29, T. 4 N., R. 8 W., 

 Madison County. Enlarged approximately 1 2/3X. 



Figs. V, W, X. - Stenotrema leal (Binney); umbilical, apertural, and spiral views, 

 respectively. Peoria loess, SE corner SW| NW| sec. 17, T. 18 N., R. 10 

 W., Cass County. Enlarged approximately 2 2/3X. 



Fig. Y. - Cionella lubrica (Muller); apertural view. Peoria loess, NE corner SW| 

 SW{ sec. 17, T. 18 N., R. 10 W., Cass County. Enlarged approximately 

 7X. 



Figs. AA, BB, CC. - Stenotrema hirsutum (Say); umbilical, apertural, and spiral 



views, respectively. Roxana silt, Pleasant Grove section, center SE^- sec. 

 20, T. 3 N., R. 8 W., Madison County. Enlarged approximately 4X. 



Fig. Z. - Succinea grosvenori Lea; apertural view. Peoria loess, "The Rocks" sec- 

 tion, 1 mile SE of bridge on Ohio River at Shawneetown, Illinois, in Union 

 County, Kentucky. Enlarged approximately 3|X. 



Fig. DD. - Succinea ielida Baker; apertural view. Peoria loess, SW} NE| SW;| 

 sec. 4, T. 8N., R. 13W., Jersey County. Enlarged approximately 3{X. 



Figs. EE, FF, GG . - Stenotrema fraternum (Say); umbilical, apertural, and spiral 

 views, respectively. Peoria loess, SW^ NE^ SW± sec. 4, T. 8 N., R. 13 

 W., Jersey County. Enlarged approximately 3^X. 



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