108 CELLAMID^. 



oblong area ; mandible shallow^ rounded^ directed up- 

 wards. Ovarian opening suborbicular. 

 Polypide with about 14 long tentacles. 



Habitat. On rocks, sbells. Corallines^ he, from shallow 

 to deep water. 



Localities. Very generally distributed. From the 

 Eddystone to the Lizard and Land^s End, common 

 (Couch) : South Devon (Torbay, Salcombe, Brixham 

 trawlers, &c.), abundant; Ilfracombe (T. H.) : Hastings 

 (Tumanowicz) : Dublin and Belfast Bays (W. T.) : coast 

 of Antrim, 62 and 72 fathoms (Mr. W. Swanston) : 

 Northumberland, frequent in deep water (Alder) : Lam- 

 lash (Landsborough) : St. Andrews, deep water (Dr. 

 M'Intosh): Hebrides; Shetland, 40-70 fathoms (A.M.N.) : 

 5 miles south-west of Mull of Galloway, 110-140 fathoms 

 (Beechey), &c. 



Geographical Distribution. Mediterranean (Pallas) : 

 Adriatic, attached to Nullipores, mussel-shells, and stones 

 by delicate fibres, common (Heller) : Cigale, 30 fathoms 

 (Grube) : on the Falmouth and Lisbon cable, between 

 N. lat. 47° 58' and 47° 35', and in W. long. 7° 6', at depths 

 from 89-205 fathoms (Sir James Anderson) : Algiers 

 (J. Y. J.) : Madeira {fide Kirchenpauer) ; Algoa Bay 

 (Busk) : New Zealand (Hutton) : Australia (MacGil- 

 livray) : Indian Ocean (Lamouroux) : Norway (Sars) : 

 Bahusia, forma fragilis (Loven) : " ad insulas Wadero- 

 arne^^ (Goes) : St. George's Banks, 28 and 60 fathoms 

 (Smith and Harger). 



Range in Time. Austro-Hungarian Miocene (Reuss). 



Cellaria fistulosa exhibits the same variations in the 

 shape of the cell as occur in the following species. It is 

 slender in habit ; and its internodes are generally much 

 shorter than those of C. sinuosa. The normal position of 



