270 MYRIOZOID^J. 



SCHIZOPORELLA CRUENTA, Norman. 

 Plate XXX. flg. 5. 



LEPRALIA VIOLACEA, var. CRUENTA, Busk, B.M. Oat. ii. 69, pi. ex. fig. 1. 

 Li-!-!! \ i.i v CRUEKTA, Norman, Ann. N. H. for Jan. 1864, 7. 

 DISCOPORA CRUEKTA, Smitt, (Efv. Kong. Vetensk.-Akad. Forh. 1878, No. 3, 

 23. 



ZooKcia ovate, often irregular in outline ; walls massive, 

 the surface undulated, coarsely granular, perforated in 

 front by a number of large foramina, and also more or 

 less punctured round the edge; orifice suborbicular, 

 closed in by a thick rounded border, which is slightly 

 ' channelled in front. Ocecia unknown. 



Colonies in small, roundish or irregular patches of a deep- 

 red colour. 



HABITAT. Usually on large stones from deep water; more 

 rarely on shells. 



LOCALITIES. Shetland, rare, 80-100 fathoms (A. M. 

 N.) : Peterhead, rare (C. W. P.) : Orkney (Dr. Greville) : 

 Channel Islands (Busk). 



GEOGRAPHICAL DISTRIBUTION. Nova Zembla, Beluscha 

 Bay, 30-50 fathoms (Stuxberg and Theel, fide Smitt) ; 

 Greenland (' Valorous ' dr edgings) . 



RANGE IN TIME. Scotch Glacial deposits (Geikie). 



Distinguished by its massive habit, its rugged surface 

 pierced by numerous large punctures, and its rich red 

 colour. The typical form of the cell is ovate ; but there 

 are many irregularities. The surface of the zoarium 

 is covered with inequalities, pierced by many holes, 

 and roughened throughout by a multitude of granules. 

 Round the mouth the thick walls swell out into a broad 

 massive border and close it in. There is no armature 

 whatever, but the greatest structural simplicity. The 



