FOSSIL ZOOPHYTES OF FARINGDON. 227 
sponges of various kinds may be collected in the course of a 
few hours. Figures of some of the common species are 
subjoined. 
me LiIcNn. 70. Fossin ZOOPHYTES. 
Fig. 1.—LuNuLITEs RADIATUS. Preston Chalk-pits; view of the convex 
side. (Mr. Walter Mantel.) 
la,—Front view; nat. 
1b,—Portion of the surface of fig. 1, magnified. 
2.—ScYPHIA INTERMEDIA; 3 mat. Faringdon. 
3.—LITHODODENDRON SOCIALE: the left-hand branch shows a ver- 
tical section at the upper part, displaying the internal structure; 
+ nat. Mountain Limestone, Yorkshire. 
4.—VERTICILLIPORA ANASTOMOSANS. Faringdon. 
5.—ScYPHIA RAMOSA; 4 nat. Faringdon. 
6.—SCYPHIA FORAMINOSA; 34 nat. Faringdon. 
7.—CNEMIDIUM ASTROPHORUM; 34 nat. Faringdon. 
SoypHia. Lign. 70, 72.—These spongites are of a tubular, 
-fistulous, or cylindrical form, and terminate in a rounded 
pit ; they are either simple or branched, and composed of a 
firm reticulated tissue ; Lign. 70, fig. 2, 5, 6, and Lign. 72, 
