R. F. Tomes— Corah of CricMey Hill 299 



tliey were unaccompanied by any information respecting tlie particular 

 bed from which they were taken. However, in that year I took two 

 examples from the Cephalopoda bed at that place, and I have no 

 doubt, from the similarity of the matrix in all of them, that they had 

 been derived from the same bed. At Dover's Hill, near Chipping 

 Oampden, the species was found abundantly a few years since in a 

 layer of soft rufous sandstone underlying the Cephalopoda bed. It 

 was at this place associated with another species of Montlivaltia and 

 a species of Thamnastrcea. 



Ctathophtllia Oolitica, n.s. 



The genus Cyathophyllia was established by M. de Fromentel^ 

 for a species of Coral from the upper beds of the Middle Lias of 

 Normandy. It resembles the genus Montlivaltia, excepting that it 

 has a large papillated columella. Since the appearance of the de- 

 scription of the genus by M. de Fromentel, Dr. E. A. Eeuss^ has added 

 another species to it, in a paper on the Miocene Corals of Hungary. 

 By means of the excellent figures and descriptions furnished by these 

 authorities, I have been enabled to determine a much worn coral 

 from Crickley, and add another species to the genus, which I de- 

 scribe thus. 



The corallum has a much depressed turbinate form. The calice 

 is sub-ovoid, slightly convex, with a sub-central shallow fossula, 

 which is filled by a large oblong and papillated columella. The 

 septa are numerous, about 160 in number ; they are straight, pretty 

 uniform in thickness, and about 50 pass into the columella. There 

 is considerable irregularity in the degree of development of the 

 newer cycles of septa. The columella is porous and papillose, and 

 the processes of which it is composed are curved and twisted, some- 

 what as they are in the Parasmilioe. It is oblong in the direction of 

 the greatest diameter of the calice, of which it is one-fifth of the 

 length. 



The margins of the septa have been worn off, but their connexion 

 with the columella is very clearly shown. The epitheca appears to 

 have deen destroyed, and the costae exhibit between them well- 

 marked and rather numerous dissepiments. 



Height of the corallum ^ inch ; diameter of the calice If inch. 



Thecosmilia gregaria, M'Coy, sp. Montlivaltia gregaria, M'Coy, 

 Ann. & Mag. N. H. ser. 2, vol. ii., p. 119 (1848). 

 All the specimens I have examined have been found amongst the 

 rubbish which, having fallen from its proper bedding, had become 

 weathered. It is a most variable species, ranging from a branching 

 to a compact coral. Prof. Duncan observes of it : "A careful study 

 of the Thecosmilia of the Inferior Oolite at Crickley has enabled me 

 to distinguish five very remarkable varieties of Thecosmilia gregaria," 

 and again he remarks: "There are specimens of Thecosmilia gre- 

 garia in Dr. Wright's collection, which, had I not had a consider- 

 able series to examine from other sources, might have been associated 



1 Pal. Franc. Coral. Terr. Juras. p. 86, pi. 18, f. 1. 



2 Sitzung. Math. Naturw. Akad. Wiss. 1x1. Bd. 1, At). 37, Taf. iv. f. 1 (1870). 



