GREY CHALK MARL. 105 



base of fig. 5, the termination of the last ceil is distinctly exhibited. 

 Fig. 7, is the longitudinal section of a fragment with the cavity or recep- 

 tacle fiUed with marl : in some specimens this is wanting, the fossil being 

 solid throughout. Fig. 8 is one of the most perfect examples that has been 

 found in Sussex. The base is thicker, and of a darker colour, than the 

 body of the fossil, and has much the appearance of a calyx. In another 

 specimen, a depression in the centre of the base resembles the attachment 

 of a stem. Fig." 11 is remarkably large, but has suflPered considerably 

 from compression. 



Locality. Hamsey. 



S. Linear markings, the impressions of leaves ? from Hamsey. 



These resemble the chalk specimens delineated in tab. ix. figs. 2, 12, 

 and have been supposed to be the foliage of a species of larch, of which 

 the aments or cones, above described, were the fruit. This opinion is how- 

 ever problematical. 



ZOOPHYTES. 



The zoophytes of the chalk marl are neither numerous, nor important. 

 They consist for the most part, of fragments of unknown genera, in which 

 the characters of the original are too imperfectly developed, to allow of 

 accurate determination : — a few of the more perfect specimens are here 

 enumerated. 



4. Small turbinated bodies, having a pedicle, the surface covered with 

 circular pores or cells, irregularly disposed. These bear some analogy to 

 the compound porpital madreporite, but their openings do not appear to 

 possess a stellular structure. Their constituent substance is an earthy 

 oxide of iron. 



Localities. Hamsey marl-pits, Stoneham, &c. 



5. Alcyonium ? pyrifo7'mis. 



A pyriform body, composed of argillaceous hmestone, about two inches 

 long, the surface presenting a spongeous appearance: — resembUng in form 



