86 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



Ocem^ence. — Cretaceous (Coniacian) : Tours, (Inclre-et-Loire), 

 Phelippeaux (Charente), and Villedieu (Loir-et-Cher), France. 



Fio. 18. — Genus Meliceritites Roemer, 1840. 



A, B. Meliceritites magnifica D'Orbigny, 1852. A. Longitudinal section, X 16, 

 illustrating the narrow central tubes and tlie expanded lateral ones with the 

 facettes preserved in many cases. B. Transverse section, X IG, through a 

 branch with a superimposed layer of zooecia. 



Cretaceous (Coniacian) : Villedieu (Loir-et-Cher), France. 



G, D. Meliceritites {Foricula) aspera D'Orbigny, 1852. C. Transverse sec- 

 tion, X 16. D. Longitudinal section, X 16, with a few diaphragms in the tubes. 



Cretaceous (Coniacian) : Villedieu (Loir-et-Cher), France. 



Cretaceous (Santonian) : Coulommier Canal, near Vendome 

 (Loir-et-Cher), Bedocheau and Barbezien (Charente), France. 



PIesiofy2)es.— Cat No. 68938, U.S.N.M. 



MELICERITITES ASPERA D'Orbigny. 1852. 



Plate 14, figs. 10-12. 



1852. Foricula aspera D'Orbigny, Paleontologie francaise. Terrain Cr6taee, 



p. 659, pi. 742, figs. 1-5. 

 1912. Melicertites pyrenaica Levinsen, Studies on the Cylostoniata Opercu- 



lata, Memoires Acad§mie Royale Sciences et Lettres de Danemark, p. 



36, pi. 6, figs. 11-21 ; pi. 7, fig. 30. 



