392 ESCHARID^. 



top oi ediCh fenestra usually a small, raised, subcircular 

 avicularium. Ocecia somewhat elongated, smooth, fre- 

 quently subimmersed, with a slit-like fissure in front. 



Many small oval avicularia distributed over the zoarium 

 on both surfaces. 



Height, of fine specimens about I5 inch, more usual size 

 ^-f inch. Breadth of the spreading foliaceous form 

 sometimes as much as 2 inches. 



Habitat. On shells, stones, corals, &c. from shallow to 

 very deep water. 



Localities. Northumberland, from the deep-water 

 fishing-boats (King) : off the coast of Durham, 60 

 fathoms (R. Howse) : Embleton Bay, deep water, re- 

 markably large and fine specimens from this locality 

 (R. Embleton) : Peterhead, two specimens (C. W. P.) : 

 Scarborough (Bean) : Orkneys (E. Forbes and Barlee) : 

 Shetland and Fulah Island (Jameson) : the Minch ; Shet- 

 land, occasionally on the Unst Haaf, to 170 fathoms ; 

 abundant on the Out-Skerries Haaf, not so large as on 

 the Northumberland coast (A. M. N.) *. 



Geographical Distribution. Arctic Sea (Sir E. Bel- 

 cher) : Bohusliin and Norway, pretty common, from 

 20-30 to 200-300 fathoms, in the latter depths on Gor- 

 gonicB and Oculina (Baron Uggla and Prof. Smitt) : Fin- 

 mark, not rare (Smitt) . 



Range in Time. Coralline Crag (S. W.) : Red Crag 

 (A. Bell) t. 



* This species is said to have been obtainecl by AUman at Cape Clear; 

 but Rs no other southern locality for it is known, I venture to tiiink that 

 there may have been some mistake, and that one of the nearly related forms 

 iniiy have been confounded with it. The Betepora Beaniana of my ' Devon 

 and Cornwall Catalogue ' is the B. Couchii of the present work. 



I" The Italian Pliocene form which Manzoni refers to B. Beaniana 

 (Bryoz. Foss. Ital., Quarta Contrib. p. 19, pi. v. fig. 26) is B. Couchii, 



