rORICULA. 
359 
D. 355. A branch (on slide, with NodeUa durohrivensls^ Greg.). Middle 
Chalk. Chatham. Gamble Coll. Figd. PI. XVI. Fig. 8. 
2. Foricula pyrenaica, d’Orbigny, 1853. 
Syxonyiit. 
Foricula pyrenaica, d’Orbigny, 1853. Bry. Cret. p. 658, pi. 741, figs. 16-18. 
,, ,, Pergens, 1890. Revision, p. 399. 
,, ,, Canu, 1897. Bry. St. Cal. : Bnll. Soc. geol. Fr. ser. 3, 
vol. XXV. p. 753, pi. xxii. figs. 11-13. 
Diagnosis. 
Zoarium of very thin branches. Apertures qnincuncial; about 
14-25 in a circuit of the stem. Apertures semicircular to 
semi-elliptical. 
Avicularia scarce, large, long, and sinuous. 
Goncecium ( ? gonocyst) piriform. 
Distkibijtion'. 
Foreign : 
Cenomanian : St. Calais and Le Mans, Sarthe ; Rennes, Aude. 
UIVREPRESEXTED SPECIES, 
spinosa, d’Orbigny, 1853. 
Syn. Foricula spinosa, d’Orbigny, 1853. Bry. Cret. p. 659, pi. 742, figs. 6-8. 
,, ,, Pergens, 1890. Revision, p. 400. 
Chau. — Apertures large ; straight lower margin. Apertures surrounded by 
a row of tubercles. Avicularia ? 
Distrib. — Senonian : Pons, Charente-Inferieure. 
Tnronian : Moutier, Charente. 
Suborder CAIVCELLATA, Gregory, 1896.^ 
Diagnosis. 
Cyclostomata in which the zoarinm eonsists of simple, tubular 
zooecia with cancellate walls. The zoarium is not divided 
1 Cat. Jur. Bry. p. 39. 
