CLASS POLYPI. 



FAMILY MILLEPORAM:. 



GENUS LUNULITES. Lamarck. 



Lunulites Bouei.* Plate 6, Fig. 202. 



Description. Lunulites convex and cellular above, con 

 cave and rugosely radiate below ; cells in rows, diverging 

 from the apex ; pores very minute, being placed between 

 the lines of cells. 

 Diam. .3, Height 3-20ths, of an inch. 



The segment is a magnified view. 



Observations. This species, certainly, very closely re 

 sembles the urceolata (Lamarck). The cells of that spe 

 cies, as figured by Goldfuss, are more round than in ours. 

 I had observed, by the aid of the microscope, that each 

 specimen, at the apex, was possessed of a grain of quartzose 

 sand, in some cases covered over. On examination, I 

 found this had been observed by Brogniart and Goldfuss, to 

 be the case with the urceolata; but this curious fact does not 



* Named after the distinguished geologist, Dr Boue, 



