134 NON-MARINE FOSSIL MOLLUSCA. 



Hyalina? bvansi Meek & Hayden. (Page 46.) 

 Fig. 26. Outline views, enlarged. After Meek. 



Hyalina? occidentalis M. & H. (Page 46.) 



Fig. '27. Upper, under, and peripheral views of the type-specimen of Meek & Hay- 

 den. After Meek. 



Helix? vetusta M. & H. '(Rage 48.) 



Fig. 28. Apertural and opposite views of the type-specimen of Meek & Hayden: 

 natural size. After Meek. 



Helix evanstonensis White. (Page 48.) 



Fig. 29. Lateral view, enlarged. 



Fig. 30. Opposite view of the same example. 



Fig. 31. Under view of the same example. 



Vitkina obliqua M. & H. (Page 46.) 



Fig. 32. Lateral view of type specimen of Meek & Hayden, natural size. 

 Fig. 33. Apical view of the same. After Meek. 



Goniobasis? subtoktuosa M. & H. (Page 57.) 



Fig. 34. Apertural and opposite viewsof the type specimen of Meek & Hayden, natural 

 size. After Meek. 



Hydeobia utahensis W. (Page 60.) 



Fig. 35. Lateral view, enlarged. 



Hydeobia sdbconica Meek. (Page 59.) 



Fig. 36. Outline lateral view, enlarged ; copy of Meek's original figure. 



Hydeobia? eulimoides M. (Page 59.) 



Fig. 37. Outline lateral view, enlarged; copy of Meek's original figure. 



Hydeobia kecta W. (Page 60.) 



Fig. 38. Lateral views of two fragments, enlarged. 



Hydeobia anthonyi M. & H. (Page 59.) 



Fig. 39. Lateral view, natural size and enlarged. After Meek'. 



Hydrobia wakrenana M.- & H. (Page 59.) 



Fig. 40. Lateral view, natural size and enlarged. After Meek. 



