OPHIURA. 305 
beautiful examples of Ophiura Egertoni. Professor John 
Phillips has figured a species (Oph. Milleri, Geol. York, pl. 
xiii.) from the marlstone of Yorkshire, and a species from 
the Oxford Clay has been described as Ophiura Prattit. In 
the Cretaceous formation, remains of several species have 
been found. ‘The first specimen from the Sussex Chalk that 
Lien. 97. FosslL REMAINS OF SYTAR-FISHES. 
Fig. la.—Part of the ray of OPHIURA SEKRATA; nat. Chalk, Preston. 
(Mr. Walter Mantell.) 
1.—Portion of the same magnified. , 
2,—GOoNIASTER HunTent. Chalk. Gravesend. 
came under my notice, was discovered many years since, by 
my son, in a quarry at Preston, near Brighton ; the rays were 
admirably preserved, as shown in the portion figured in Lagn. 
97. An example of this species, with the disk entire, and 
portions of five arms, was found by Henry Catt, Esq. and is 
represented in pl. xxii. fig. 2, of Mr. Dixon’s work.* 
* Three plates are devoted to the Cretaceous Star-fishes: the de- 
seriptions by Prof. E, Forbes comprise twenty-five species, belonging 
to the genera Oreaster, Goniaster, Stellaster, Arthraster, and Ophiura, 
all from the Chalk of Sussex and Kent. 
VOL, I. x 
