352 POLYZOA INFUNDIBULATA. 



From the description I conclude that the Flustra foliacea of 

 Mantell's "Wonders of Geology," p. 466, is the Eschara foliacea just 

 described. 



2. E. FASCIALIS, " expansions narrow, compressed, branched, 

 occasionally united.' 1 '' Pallas. 



Italian Coral, Ellis Corall. 72, pi. xxx. fig. 6. Eschara fascialis var. a. Pall. Elench. 

 42. Lam. Anim. s. Vert. ii. 175 : 2de edit. ii. 267. Flem. Brit. Anim. 531. 

 Millepora tenialis, Ellis &ndSoland. Zooph. 133. M. fascialis Berk. Syn. i. 211. 

 Turt. Br. Faun. 204. Cellepora ligulata, Esper Cellep. 146, tab. 8, fig. 1, 2. 

 L'Eschare a bandelettes, Blainv. Actinolog. 428. Milne-Edwards in Ann. des Sc. 

 Nat. Part. Zool. vi. 43, pi. 4, fig. 1. 



ffab. Deep water. Isle of Wight, Pallas. 



" This Millepore grows in very irregular masses, but always pre- 

 serves the same habit of growing ; that is, the branches are flat, nar- 

 row, and regularly subdivided : they coalesce, twist, and branch out 

 again, leaving certain hollow spaces between them ; their cells are 

 much smaller, though of the same shape with the cells in the folia- 

 ceous Millepore" (E. foliacea). Solander. Pallas maintains that 

 it is merely a variety of the preceding ; but Milne-Edwards thinks 

 it ought to be retained distinct, for its peculiarity of ramification, and 

 the narrowness of the divisions, do not depend on age, and seem to 

 indicate a specifical difference. The cells in both species are alike. 



3. E. CRIBARIA, erect, the laminae broad and foliaceous ; cells 

 punctured, oval or rhomboidal, the aperture of the mature ones 

 with a mucro projecting in front. 



PLATE LX. FIG. 79. 



Hob. Brought up, with other corallines, from a depth of about 

 thirty-five fathoms in Berwick Bay. 



Polypidom arising from a crustaceous circular base, erect, frondose, 

 expanding into broad undulated and sinuous lobes, consisting of a 

 double layer of cells and about a line in thickness. Surface even, 

 porous, variously marked. The cells exhibit themselves under three 

 phases. The young or immature cells are small, rhomboid, closely 

 packed, arranged quincuncially, with thick opaque walls that are 

 coarsely punctulated, the aperture minute, round, and generally in- 

 conspicuous. Where these cells are found the surface of the polypi- 

 dom is smooth comparatively, but other parts of the surface are 

 punctured like a thimble with round depressed holes, and the space 



