Fig. 82. RHYNCHOPORA PUSTULOSA (White) p. 230 



View of a large pedicle valve. (W. M., No. 4821.) 

 Kinderhook, Bed No. 4, Burlington, Iowa. 



Figs. 83-86. ALLORHYNCHUS ACUTIPLICATUM n. sp p. 201 



Pedicle, brachial, lateral and anterior views of a very perfect speci- 

 men. Holotype. (D. K. G., No. 2404.) 



Carterville formation 1 '!). Webb City, Alissonri. 



56 



