358 
rOEICFLA. 
rORICULA, d’Orbigny, 1853. 
[Bxy. Cret. p. 657.] 
DiAGisrosis. 
Zoarium of erect, cylindrical, dichotomous branches. The walls 
of the zooecia are pherced by macula). Avicnlaria long and 
spatulate. A gonoecium or gonocyst. 
Type Species. 
F. pyrenaica, d’Orbigny. Cenomanian : France. 
Afeinities. 
This genus has large numerous avicnlaria and the walls pierced 
by maculae, which possibly occur in some species of Nodelea. But 
in Foricula they are well developed. 
Synonymy. 
Foricula asper a ^ d’Orbigny, 1853. Biy. Cret. p. 659, pL 742, figs. 1-5. 
,, ,, Pergeiis, 1890. Revision, p. 399. 
Diagnosis. 
Zoarium of thin branches. Apertures large, circular or sub- 
circular, crowded, and quincuncial. The surface is pimctate. 
A pair of long, narrow avicnlaria occur, one on each side of 
the aperture. 
Dimensions. 
Disteibution. 
British : 
Middle Chalk : Chatham. 
Foreign : 
Senonian — Santonian : Saintes, Charente-Inferieure. 
Figure . 
PI. XYI. Fig. 8. Part of a branch, X 10 dia. Middle Chalk: 
Chatham. Gamble Coll. D. 355. 
1. Foricula aspera, d’Orbigny, 1853. 
Diameter of aperture 
Diameter of zooecia 
Length of avicularian aperture 
■20--25 mm. 
