392 
SPAESICAVEA. 
Dimensions. 
Diameter of branch 
Diameter of zooecia 
Diameter of aperture 
Vertical width of bare zone 
1-8 mm. 
•25 „ 
•15 „ 
•5 „ 
Distribution. 
Senonian — Coniacian : South of Les Roches, Loir-et-Cher, in Craie de 
Villedieu. 
Turonian — Angoumian : Villardin and Montoire, Loir-et-Cher, in 
Craie marneuse. 
Figure. 
Fig. 52. Part of a branch, x 10 dia. Turonian: Villardin. 
D. 4838. 
Fig. 52 . — Sparsicavea cicatrix, n.sp. 
Affinities. 
This species most closely resembles S. undulata (Hag.), from 
which it differs by having the apertures in oblique instead of in 
vertical series, and by having radial ribs round the apertures. 
LIST OF SPECIMENS. 
D. 4838. A fragment of a zoarium (on sHde). Turonian: Craie marneuse. 
Villardin, Loir-et-Cher. Purchased 1898. Figd. No. 52. 
D. 4835. Twp fragments (on slide). Turonian : Craie marneuse. Villardin 
Station. Purchased 1898. 
D. 4836. One thick fragment (on slide). Turonian : Craie marneuse. 
Montoire. Purchased 1898. 
D. 4837. One fragment (on shde). Turonian: Craie marneuse. Montoire. 
Purchased 1898. 
D. 4844. A thin, worn fragment (on slide). Senonian: Craie de Villedieu. 
South of Les Roches. Purchased 1898. 
