118 
EEPTOMULTISPAKSA. 
Affinities. 
M. de Loriol-le-Foi’t remarks that this species is allied to 
R. congesta, Orh. ; hut in addition to the zoarial differences that he 
noticed between them, they are separable by the greater shortness 
of the zooecia. 
10 , 265 . A zoarium encrusting sp. Lower Greensand. Far- 
ringdon. Figd. Fig. 5. 
2. Reptomultisparsa congesta (von Reuss), 1846. 
Synonymy. 
Diastopora congesta, von Reuss, 1846. Verst, bohm. Kr. p. 65, pi. xv. fig. 43. 
,, ,, von Hagenow, 1850. In Geinitz, Quadersandst. p. 234. 
non ,, ,, d’Orbigny, 1851. Bry. Cret. pi. 640, figs. 1-3. 
Berenieea congesta, Bucaille, 1890. Bry. Cret. Seine-Inf. : Bull. Soc. Sci. 
nat. Rouen, vol. xxv. p. 509. 
Diastopora fecunda. Vine, 1885. Cambr. Greensd. : Proc. Yorks. Geol. Soc. 
vol. ix. p. 18. 
,, ,, Vine, 1889. Greensd. Polyz. : Proc. Yorks. Geol. Soc. 
vol. xi. pp. 266-9. 
,, ,, stage congesta. Vine, 1889. Ihid. p. 269, pi. xii. 
figs. 10, 105. 
,, ,, congesta,'S'm&, 1891. Cret. Pol. : Rep. Brit. Assoc. 1890, 
p. 389. 
,, ,, Vine, 1891. Pol. Red Chalk: Proc. Yorks. Geol. Soc. 
vol. xi. p. 379. 
Diagnosis. 
Zoarium beginning as circular discs, which are convex above. 
The zoarium increases into iiTeguIar, nodular masses. 
Zooecia long, thin, and cylindrical; the apertures are distant 
and irregularly distributed. The peristomes are low. The 
walls are plain. 
Dimensions. 
B.M., B.4452. 
Young zooecia. 
Length of zooecia ... *5 mm. 
Diameter of zooecia ... '14 ,, 
Diameter of aperture ... •! ,, 
Distribution. 
England : 
Chalk Detritus : Charing. 
Upper Greensand : Cambridge. 
? Red Chalk : Hunstanton. 
B.M., D. 2861. 
Older zooecia. 
•6-1*0 mm. 
•2 „ 
•08--11 „ 
