PLATE XI. 
Figs. 1—1 ¢.—Catatuiscus varioLatus, 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 Rev. 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 Rey. G. F. Whidborne.) 
Figs. 1b, 1 c.—Portions of sections of the sponge-wall, showing the spicular 
structure, now replaced by calcite. Hnlarged 50 diameters. 
Figs. 2, 2a.—Vurrvucocaria Wuipporni, 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.— VERRUCOCELIA ELEGANS, Sollas, sp. (Page 201.) 
Fig. 3.—The type of the species. Natural size. From the Inferior Oolite, 
Parkinsont-zone, Burton Bradstock. (Collection Rev. G. F. Whidborne.) 
Fig. 3a.—A portion of the sponge wall, showing the spicular structure. 
Enlarged 50 diameters. 
Fig. 4.—Verrucocenia Masor, 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, 
Parkinsomi-zone, at Burton Bradstock. (Collection Rey. G. F. Whidborne.) 
Fig. 5.—Craticunaria cLaTHRAta, 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. Walton Collection, Woodwardian Museum, Cam- 
bridge. 
