286 NATURAL HISTORY OP 



Lepralia abyssicola {A. M. N.). 



Hab. : Shetland [A. M. N.). 



This again is a species found in deep water (140 — 

 170 fathoms). It forms ''large white glossy irregular 

 crusts on stones, &c." The cells are large and ovately 

 rhomboidal, slightly granulated, with a prominent 

 screen-like mucro in front of the orifice. There are 

 two or three spines on the upper margin of the orifice. 



6. M. MICROSTOMA, Norman. 

 Lepralia microstoma {A. M. N.). 

 Hab. : Shetland sea {A.M.N.). 



Another deep-water species (80 — 140 fathoms), allied 

 to the preceding species, but having the orifice of the 

 zooecium borne on a short free neck-like extension of 

 the cell. 



7. M, cocciNEA, Ahildgaard. Plate XXII. fig. 1, 

 CeUepora coccinea (Ahildgaard, Lamk., Lamx.), 



Berenicea coccinea (Flem., Lamx., G. J.), Lepralia 

 coccinea {G. J., B. Q. C, Alder, Bush, McA., D. L.), 

 L. tridentata (B. Q. C), L. appensa (Hassall), L. Ballii 

 [G. J., D. L.), L. mamillata [Searles Wood, Bush, Man- 

 zoni), L. pteropora (Beuss, Manzoni), L. peregrina 

 [Manzoni), Berenice ecarlate [Be Bl.), Discopora 

 appensa (Smitt), Escharina coccinea and BalHi (Gray), 

 Distansescharellina pteropora (D'Orb.). 



Hab. : Common. 



This has been called the " Crimson Cellepore," and 

 forms roundish crusts on weeds, stones, and shells. 

 The shade of colour varies from yellowish-brown to 

 purple, becoming paler after death. " It varies in 

 colour according to the locality where it grows.'' — 

 Couch. The crusts extend over an area of one or even 

 two inches in diameter. 



