PEOBOSCINi.. 
27 
? Stomatopora ramosa, Vine, 1884. Eep. Brit. Assoc. 1883. p. 163. 
,, Pergens, 1890. Eevision, p. 328. 
non Froboscina ramosa ?, Tine, 1889. Greensd. Pol. pt. ii. : Proc. Yorks. Geol. 
Soc. vol. xi. p. 264, pi. xii. figs. 5-8. 
non ,, ,, Tine, 1890. Bry. Eed Chalk : Quart. Journ. Geol. Soc. 
vol. xlvi. p. 473. 
notx ,, ,, Vine, 1891. Pol. Eed Chalk: Proc. Yorks. Geol. Soc. 
vol. xi. p. 377. 
Froboscina ,, pars, Yine, 1893. Cret. Pol.; Eep. Brit. Assoc. 1892, 
pp. 307, 329. 
Fiastopora, sp., Lonsdale, 1850. In Dixon’s Geol. Suss. p. 273, pi. xviii. a, 
figs. 3, 3a. 
Fiastopora wetherelli, Morris, 1854. Cat. Brit. Foss., 2nd ed., p. 122. 
,, ,, Lonsdale, 1878. In Dixon’s Geol. Suss., 2nd ed., p. 320, 
pi. xviii. A, figs. 3, 3a. 
Froboscina ,, Yine, 1893. Cret. Pol. : Eep. Brit. Assoc. 1892, p. 329 
{non No. 8, p. 307). 
Diagnosis. 
Zoarimn of delicate branches, which are at first uniserial, but 
expand gradually into tufts, which may be united by lateral 
outgrowths. 
Zooecia long and narrow, expanding gradually to the distal end. 
Smooth, punctulate, or faintly corrugated. 
Peristomes slightly raised. 
Dimensions. 
Length of zooecia 
Diameter of zooecia ... 
Diameter of aperture 
M. Edwards’ 
type. 
‘8-1 ’2 mm. 
•25-‘3 „ 
•08--12 „ 
B.M. 
D. 2975. 
•7-l‘2 ram, 
•2 ,, 
•08--1 „ 
Distribution. 
British : 
Upper Chalk : Charlton, Kent ; Hertford ; Sussex. 
Zone of Belemnitella mucronata ; Clarendon, near Salisbury. 
Middle Chalk : Chatham. 
Forbign : 
Senonian — Maastrichtian : Meudon. 
Figure. 
PI. II. Fig. 2. Part of a zoarium encrusting Galerites alhogalerus, 
X 11 dia. Upper Chalk: Kent. Howerbank Coll. D. 2975. 
