TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 481 



2156. Paludina conradi (Meek and Hayden). Holotype and para- 



types. 

 Laramie (Cret.). Bad Lands of Judith River, Montana. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 122. 



= Vi viparus conradi. 



2154. Paludina leai Meek and Hayden. Holotype and paratypes. 

 Laramie (Cret.). Three miles below Fort Clark, North 

 Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 121. 



= Vi viparus leai. 



12476. Paludina leidyi Meek and Hayden. Holotype. 



Laramie (Cret.). Ten miles below Fort Union, North 



Dakota. (Specimen labeled mouth of Yellowstone.) 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 123. 

 = Vi viparus leidyi . 



2154. Paludina multilineata Meek and Hayden. Holotype and 



paratypes. 

 Laramie (Cret.). Fort Clark, North Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 120. 



= Campeloma multilineata. 



2157. Paludina peculiaris Meek and Hayden. Cotypes. 



Laramie (Cret.). Fort Clark, North Dakota. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 122. 

 = Viviparus peculiaris. 



2155. Paludina retusa Meek and Hayden. Holotype and para- 



types. 

 Laramie (Cret.). Mouth of Yellowstone River, North 

 Dakota. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 122. 

 =Vi viparus retusus. 



2158. Paludina trochiformis Meek and Hayden. Holotype and 



paratypes. 

 Laramie (Cret.). Ten miles below Fort Union, North 

 Dakota. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 122. 

 = Viviparus trochiformis. 



2153. Paludina vetula Meek and Hayden. Holotype and paratypes. 

 Laramie (Cret.). Bad Lands of Judith River, Montana. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., VIII, 1856, p. 121. 

 = Campeloma vetula. 

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