PLATE XXVII. 



Figure 1. Quinqueloculina crassaD' Orhis:ny. Side view. X 80. 



2. QuinquelocuUna crassa D'Orbigny. Opposite side of another sperimen. X 80. 



3. FTauerinafragilisnma Brady. Side view. X 80. 



4. Hauerina sp. Side view ot a l)roken specimen showing peculiar ])itted ornamentation of the surface. X 80. 



5. Articulina byramensis Oushman, n. sp. Side \-iew of specimen which has not yet reached the adult stage. 



X 80. 



6. Articulina byramensis Oushman, u. sp. Side \iew of adult specimen. X 80. 



121 



