124 
Mr. A. W. Waters on the 
There would seem no doubt that this is the species de¬ 
scribed by Moll. Manzoni’s figure, in his Suppl. Fauna 
Medit., shows the Naples form the best, though in my 
specimen the border is wider and appears formed of double 
granulations. There is no explanation of fig. 6 in Busk’s 
Cat., and it is therefore difficult to know what it represents ; 
and the comparison with Flustra Latreillii , in the same work, 
must surely be a mistake. Eschara elegans , M.-Edw. ( l Eschares 
fossiles,’ p. 337, pi. xii. fig. 13), looks like the Eschara sta¬ 
dium of this species. 
Two rosette-plates in the distal wall near the centre. Both 
these and the lateral plates have an elongated form. 
Operculum : little more than half a circle, proximal edge 
nearly straight, width 0T2 millim., length 092. 
Loc. Upper Oligocene: Astrupp. Miocene: several places 
in Austria and Hungary, Doud, Thorigiffi. Pliocene : Castel- 
larquato, Palermo, Rhodes. Living: Gibraltar (?), Adriatic, 
20-55 fathoms ( Heller) • Naples, several layers, incrusting, 
20-50 fathoms. 
58. Eschara cervicornis , Pall. 
Eschara undulata, Rss. Foss. Polyp, der W. Tert. p. 68, pi. viii. fig. 24. 
This is the species of Milne-Edwards and Busk, and is very 
abundant at Naples from about 30 fathoms downwards. 
The operculum is saddle-shaped, widening out very much 
at the proximal end ; long muscular boss close to the edge ; 
proximal end 0T8 millim. wide, 0T3 long, bosses about 0‘08 
long. 
Three distal rosette-plates divided by two raised ridges. 
Pliocene : Sicily, Calabria, Belgium (//. de Leliaie ), 
Rhodes ( Manz .). Living : Britain (?), Adriatic ( H .), France. 
59. Eschara foliacea, Ellis. (PI. XV. fig. 8.) 
Eschara fascialis, Pall. Elench. p. 42. 
Eschara fascialis, Moll, Die Seerinde, p. 30, pi. i. figs. 1, 2. 
Eschara foliacea, Milne-Edwards, Sur les Eschares, p. 39, pi. iii. fig. 1, 
Ann. des Sc. Nat. ser. 2, vol. vi. 1836. 
Eschara bidentata, M.-Edw. loc. cit. p. 42, pi. iii. figs. 2, 2 a. 
Eschara fascialis, M.-Edw. loc. cit. p. 43, pi. iv. fig. 1. 
Eschara foliacea, Heller, Bry. Adr. Meeres, p. 114. 
Eschara fascialis, id. loc. cit. p. 114. 
Eschara foliacea, Manzoni, Bry. Foss. Ital. cont. 4, p. 18, pi. i. fig. 4, 
pi. iv. fig. 24; and Brioz. di Castrocaro, p. 36. 
This occurs elsewhere in both broad and narrow foliations ; 
and these have been separated by some authors into E. foliacea 
and fascialis, and by Moll were called variety latifolia and var. 
angustifolia ; and in case of the shape requiring to be indicated 
