KANSAS ACADEMY OF SCIENCE. 
Derbya robusta (Hall) Waagen Tepe 
Dielasma bovidens (Morton) White, r. 
Enteletes hemiplicatus (?) Hall, c. 
Myalina? sp., rr. 
Myalina perattenuata Meek and Hayden, c. 
Myalina swallovi McChesney, c. 
Allorisma granosa Meek, r. 
Allorisma subcuneata Meek and Hayden, rr. 
Allorisma topekaensis Swallow, rr. 
Monopteria marian White, rr. 
Monopteria gibbosa Meek and Worthen, rr. 
Aviculopecten coxanus Meek and Worthen, rr. 
Aviculopecten carboniferus Stevens, r. 
Aviculopecten hertzeri Meek, rr. 
Aviculopecten cf. lyelli Dawson, rr. 
Aviculopecten maccoyi Meek and Hayden, rr. 
Aviculopecten neglectus Geinitz, rr. 
Aviculopecten occidentalis Shumard, c. 
Aviculopecten rectilaterarius Cox ?, a. 
Nuculana bellistriata Stevens, r. 
Nuculana bellistriata attenuata Meek, r. 
Modiola subelliptica Meek, c. ‘ 
Solenomya radiata Meek and Worthen, r. 
Entolium aviculatum (Shumard) Meek, c. 
Schizodus curtus Meek and Worthen, r. 
Schizodus curtiformis Walcott?, r. 
Schizodus sp., rr. 
Avicula longa Geinitz, rr. 
Lima retifera Shumard, r. 
Nucula ventricosa Hall, rr. 
Pinna peracuta Shumard, rr. 
Macrodon tenuistriatus Meek and Worthen, rr. 
Prothyris elegans Meek, rr. 
Aviculopinna americana Meek, rr. 
Macrocheilus anguliferus White, rr. 
Macrocheilus ventricosus Meek, r. 
Macrocheilus primigenius (Conrad ) Hall, rr. 
Loxonema sp. Ir. 
Evomphalus (Straparollus) subrugosus Hall.ce, 
Anomphalus rotulus Meek and Worthen ?, rr. 
Bellerophon bellus Keyes, ce. 
Bellerophon percarinatus Conrad, rr. 
Bellerophon carbonarius Cox, rr. 
Bellerophon sp., rr. 
Orthonema subtzeniata Geinitz, rr. 
Naticopsis nana Meek and Worthen, r. 
Naticopsis ventricosus ( Norwood and Pratten) Meek and Worthen, r. 
Naticopsis altonensis McChesney ®, r. - 
Pleurotomaria grayvillensis Norwood and Pratten ?, rr. 
Pleurotomaria illinoiensis Worthen ?, rr. 
Pleurotomaria perhumerosa Meek, r. 
Pleurotomaria sphzrulata Conrad ?, r. 
