PLATK XVI. 



•^iciiRE J. <'lniiilitia byramensis (\\s\\ma.n. n. sp. Fnpiit virw. < .lO. 

 '2. 1 V/(/»/i//(i sp.? o, Side view; /i, I'rniit \ii'W. Ilid. 



■i. 1 V/yi/Zuia sp.? Fi'diit view (if annllu'V specimen. :■ 120. 

 4. Biiliiiiina orala D'Orliigny? Finnt view. X 120. 



b. N<i(liisriria f\i. Iiieiiiii]ilete specimen, with Imt I'diir chamlieiv, showing form and sculpture. X *>0. 

 Ci. A^oiliiKiiriit sp. Miilille porfion of an incom]ilete s|iecimen with ii differont surface urnamentation from the 



]ireceding. ■ 100. 

 7. NiMhixaria? sp.? lirolicn specimen of a Noduauria or possilily the linear jjurtion uf an Aiiiciillna. 

 110 



