516 University of Kansas Geological Survey. 



PLATE XCVT. — Inoceramus deformis Meek. Fig. 1, view of small specimen 

 (after Stanton) ; fig. 2, a large right valve (after Meek). 

 Mactra emmonsi Meek. Figs. 3, 4, two views of a large left valve. 



PLATE XCVIL— Inoceramus simpsonii Meek. Fig. 1, right valve of type 

 specimen. 



PLATE XCVIII. — Donax cuneata Stanton. Fig. 1, cast of right valve. 

 Donax obionga Stanton. Fig. 2, cast of a large left valve. 

 Exogyra columbella Meek. Figs. 3, 7, views of lower valve ; fig. 8, view of 



both valves united ( after White ). 

 Inoceramus labiatus Schloth. Fig. 4, right valve (after Meek). 

 Inoceramus dimidius White. Figs. 5, 6, views of both valves. 

 Pholadomya papyracea M. & H. Fig. 11, left valve of type specimen ( after 



Meek). 

 Pholadomya color adoensis Stanton. Fig. 12, loft valve of type specimen. 

 Parapholas sphenoideus White. Fig. 10, view of type specimen. 



PLATE XCIX.—Turritella whitei Stanton. Figs. 1, 2, 3, 4, 5, views of type 



specimen. 

 ? Pharella pealei Meek. Figs. C, 7, two views of type specimen ( after White ) . 

 Callista {Aphrodinaf) tenuis M. & H. Figs. 8, 9, two views of type (after 



Meek). 

 Ostrea congesta Conrad. Figs. 10, 11, 13, views of upper and lower valves 



(after Meek). 

 Parapholas sphenoideus White. Fig. 12, another view. 



PLATE C. — Serpula intrica White. Fig 1, type specimen. 



Postellites ambigua Stanton. Figs. 2, 4, 5, views of type specimen. 

 Pyropsis coloradoensis Stanton. Figs. 6, 7, 8, views of type. 

 ? Helicoceras corrugatum Stanton. Fig., basal view of type. 



PLATE CI. — ? Prionocylus macombi Meek. Figs. 1, 2, side view of small 

 specimen (after Stanton); fig. 3, septum, magnified; figs. 4, 5, two views 

 of type (after Meek). 



PLATE CII. — Prionotropis woolgari Mantell. Figs. 1, 2, two views of small 

 specimen (after Meek); fig. 3, view of fragment of large specimen (after 

 Meek); fig. 4, septum, magnified. 

 Prionotropis hyatti.i Stanton. Figs. 5, 6, two views of type; fig. 7, side 

 view; fig. 8, septum of small specimen, magnified. 



PLATE CIII. — Mortoniceras shoshonense Meek. Figs. 1, 2, two views of 

 type specimen. 

 Prionotropis Icevianus White. Fig. 3, portion of septum of type (after 

 Stanton) ; fig. 4, side view of type. 



PLATE CIV. — Mortoniceras vermilionense M. & H. Fig. 1, side view of 

 type (after Meek). 

 Scaphites larvo?formis M. & H. Fig. 2, side view of type (after Meek). 

 Scaphites vermiformis M. & H. Fig. 3, side view of type (after Meek). 



