176 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Dielasma bovidens (Morton) White. 



Enteletes hemiplicata (Hall) Hall and Clarke. 



Meekella strialicostata (Cox) White and St. John. 



Prodilctus cor a d'Orbigny. 



Productus punctatus (Martin) Morton. 



Seminula argentia (Shepard) Hall. 



Allorisma costatum Meek and Worthen. 



Allorisma geinitzi Meek. 



Allorisma granosum (Shumard) Meek. 



Allorisma subcuneatum Meek and Hayden. 



Allorisma sp. 



Aviculopecten occidentalis (Shumard) Meek and Hayden. 



Edmondia aspenwallensis Meek. 



Edmondia ovata Meek and Worthen. 



Edmondia cf. nebraskensis Meek. 



Macrodon sp. 



Myalina perattenuata Meek and Hayden. 



Myalina subquadrata Shumard. 



Pinna peracuta Shumard. 



Pleurophorus sp. 



Pseudomonotis kansasensis Beede. 



Pseudomonotis haumi Meek and Hayden. 



Pseudomonotis cf. robusia Beede. 



f Sedgwickia altirostrata Meek and Hayden. 



Bellerophon carbonarius Cox. 



Bellerophon marcouianus Geinitz. 



Bellerophon cf. montfortianus Norwood and Pratten. 



Bellerophon percarinatus Conrad. 



Bulimorpha nitidula (Meek and Worthen) Keyes. 



Capulus sp. 



Soleniscus paludinseformis (Hall) White. 



Sphserodoma texana (Shumard) Keyes. 



Orthoceras sp. 



Tainoceras occidentalis (Swallow) Hyatt? 



30. Willard Shales. These shales are fifty-five feet thick 

 in their thinnest exposure, and are thicker in some places. Ben- 

 nett gives their thickness at Willard at from seventy-five to 

 eighty-five feet, including a thin stratum of limestone. 10 The 



10. Univ. Geol. Surv. Kans., I, pp. 119, 120, 1896. 



