NORTHUMBERLAND AND DURHAM. 149 



From the five-men boats; rare. — /. A. " Tynemoutli. 

 (C. neritinajy Miss Ellen Forster." — Johnston. 



38. BUGULA, Oken. 



1. B. AvicuLARiA, Linn. 



Cellularia avicularia, Johns. Brit. Zooph., 338, t. 



Ixiii., f, 7, 8. 

 Bugida avicularia^ Busk. Catal., 45, t. liii. 

 On shells and zooj^hytes from deep water; occasionally. 



2. B. FLABELLATA, (J. V. Thompson, MS. J Gray, 



Flustra aviculans, Johns. Brit. Zooph., 346, t. Ixiii., 



f. 3, 4. 

 Flustra capitata, Hogg, Nat. Hist. Stockton, 36. 

 Bugnki Jlabellata, Busk, Catal., 44, t. li., lii. 

 On Flustra foliacea^ shells, &c., from the coralline zone; not 

 rare. On rocks at extreme low-water mark, Bamborough. 



3. B. MuRRAYANA, (Bcau, MS.) Johns. 



Flustra Murrayana., Johns. Brit. Zooph., 347, t. 



Ixiii., f. 5, 6. 

 Bugula Murrayana^ Busk, Catal., 46, t. lix. 

 From the fishing boats, Cullercoats; rather rare. More 

 common from the deep-water (five-men) boats. 



4. B. FASTIGIATA, Fob. 



Polyzoary 1 to 4 inches high, stout, bushy, irregularly 

 branched; becoming purplish or rusty red when dry: 

 cells biserial, cylindrical, elongate, attenuated below : aper- 

 ture wide above, elliptical below, with a stout, cylindrical, 

 jointed spine at the upper and outer angle, and a denticle 

 in front of it ; no spine on the inner angle. Avicularium 

 large, with a longish beak. Ovicapsules very shallow. 

 Sertularia fastigiata, Fab. Fauna GroenL, 445. 

 Cellularia fastigiata, Flem. Brit. Anim., 539. 



Daly. Rare and Rem. Anim. 

 Scot., V. 1, p. 236, t. xlvi. 

 Cellularia plumosa, Johns. Brit. Zooph., 341, t. Ixi. 



