PLATE XXXV. 



PAGK 



Figs, la-lg. DosiNiopsis lei^ticularis (Rogers) 171 



la. Interior of left valve. Glymont. 



lb. Interior of right valve. Same locality. 



Ic. Exterior of Fig. la. 



Id. Exterior of Fig. lb. 



le. Dorsal aspect of comx^lete individual. Same locality. 



If. Interior of left valve. Same locality. 



Ig. Interior of right A'alve. Same locality. 



287 



