PLATE XI. 
Figs. 1—1 ¢.—Cataruiscus vartoratus, Sollas. (Page 197.) 
Fig. 1.—A nearly complete specimen, showing the character of the outer 
surface, somewhat injured by weathering. Natural size. From the Inferior 
Oolite, Parkinsoni-zone, at Burton Bradstock. The type of the species. (Collec- 
tion Rey. G. F. Whidborne.) 
Fig. 1 a.—The imperfect upper portion of another specimen from the same 
place, showing traces of the apertures on the inner surface of the wall. Natural 
size. (Collection Rev. G. F. Whidborne.) 
Figs. 1b, 1 c.—Portions of sections of the sponge-wall, showing the spicular 
structure, now replaced by calcite. Enlarged 50 diameters. 
Figs. 2, 2a.—Vurrucocaria Warppornt, Sollas, sp. (Page 200.) 
Fig. 2.—A nearly complete specimen, showing the upper surface. Natural 
size. From the Inferior Oolite, Parkinsoni-zone, Burton Bradstock. The type 
of the species. (Collection Rev. G. F. Whidborne.) 
Fig. 2a.—Portion of a section of the wall, showing the spicular structure. 
Enlarged 50 diameters. 
Figs. 3, 3 a.—VERRUCOCE@LIA ELEGANS, Sollas, sp. (Page 201.) 
Fig. 3.—The type of the species. Natural size. From the Inferior Oolite, 
Parkinsoni-zone, Burton Bradstock. (Collection Rey. G. F. Whidborne.) 
Fig. 3a.—A portion of the sponge wall, showing the spicular structure. 
Enlarged 50 diameters. 
Fig. 4.—VERRUCOC@LIA MAJOR, Sollas, sp. (Page 201.) 
The type of the species, showing the summits of the spongites weathered out 
on the surface of a limestone nodule. Natural size. From the Inferior Oolite, 
Parkinsoni-zone, at Burton Bradstock. (Collection Rev. G. F. Whidborne.) 
Fig. 5—Craricunaria chaturata, Goldfuss, sp. (Page 198.) 
An incomplete specimen, showing the characters of the outer surface, but 
partially obscured by weathering. Natural size. Inferior Oolite, Parkinsoni- 
zone, at Burton Bradstock. Waiton Collection, Woodwardian Museum, Cam- 
bridge. 
