Figs. 64-69. ROWLEYELLA FABULITUS (Rowley) p. 463 



64. Pedicle view of a nearly complete specimen from which the 

 shell is partially removed, showing the median septum. The 

 spiral brachidium is clearly shown in this specimen, but does not 

 appear in the photograph. 65-66. Pedicle and brachial views of 

 the same specimen enlarged (x4). 67. Pedicle view of a smaller 

 specimen from which the shell has been removed on each side. 

 68-69. Pedicle and brachial views of the same specimen (x4) 

 showing the median septum in each valve. (W. M., No. 14279.) 

 Burlington white chert, Louisiana, Missouri. 



Figs. 70-79. CAMAROPHORELLA MTSSOURIENSIS (Winchell) p. 460 



70-73. Pedicle, brachial, lateral and anterior views of the holotype. 

 (U. M., No. 1993.) 74-76, 77-79. Pedicle, brachial and lateral 

 views of two specimens, metatypes of Seminula buckleyi Row- 

 ley. (R. R. R.) 



Louisiana limestone, Louisiana, Missouri. 



184 



