EXPLANATION OF PLATE LXV. 



Figs. 1-4. SPIRIFERELLA NEGLECTA (Hall) p. 415 



1-3. Brachial, pedicle and anterior views of a sulphur cast of a 

 nearly perfect specimen. (W. M., No. 14212.) 4. Posterior 

 view of a nearly perfect specimen. (W. M., No. 13323.) 

 Kcokuk limestone, Keoknk, Iowa. 



Figs. 5-9. PSEUDOSYRINX MISSOURIENSIS n. sp p. 406 



Anterior, posterior, lateral, pedicle and brachial views of the holo- 

 type, a nearly complete specimen. (W. M., No. 13559.) 

 Burlington limestone, Osceola, Missouri. 



146 



