XII. XIII. 



CRETACEOUS TEREBRATUL^E. Figs. I. to XI. 



I. II. III. T. Moutoniana, J/OrB. — English specimens, Shanklin. 



IV. T. Moutoniana, If Orb. —French specimen. 



V. VI. VII. T. depressa, Lam.— Shanklin. 



VIII. IX. T. Celtica, Morris. — Variety. Shanklin. 



X. T. Celtica, Morris.— Shanklin. 



XI. T. tamnrindus, Sow. — Shanklin. 



PACHYRRIZODUS GLYPHODUS, n.s., Blake and Mackie. Figs. XH., XIII. 



