NORTHUMBERLAND AND DURHAM. 243 
Cxiass. POLYZOA, J. V. Thompson. 
Orper. INFUNDIBULATA, Gervais. 
Sug-orDER. CYCLOSTOMATA, Bush. 
Famity. TUBULIPORIDA, Johnston. 
27. ALECTO, Lamourouz. 
3. A. GRANULATA, WZ. Edw. 
Johns. Brit. Zooph., p. 280, t. xlix., f. 1, 2. 
On old shells from deep water; rather rare. 
Sup-orpER. CHEILOSTOMATA, Busk. 
Famity. HUCRATEIDAL, Johnston. 
30a. HIPPOTHOA, Lamoureuz. 
1. H. cavenvuLaria, Jameson. 
Johns. Brit. Zooph., p. 291, t. 1., f. 9, 10. 
On Modiola vulgaris from deep water; rare. 
Famiry. MEMBRANIPORIDA, Busk. 
34, LEPRALIA, Johnston. 
20. L. auricutata, Hassall. 
Johns. Brit. Zooph., p. 310, t. liv., f. 8. 
Busk, Catal., p. 67, t. xe., f. 1, t. xciii., f. 1, 2, and 
thc le 
On shells from deep water; rare. 
35. MEMBRANIPORA, Blainville. 
9. M. Lacrorxt, Audouin. 
Flustra distans, ‘‘ Hassall,” and Flustra fallaz, 
Johns. Brit. Zooph., p. 350, t. lvii., f. 11, 12. 
Membranipora Lacroix, Busk, Catal., p. 60, t. Ixix. 
A single fine specimen has occurred to me on a stone at low 
water mark, Tynemouth. The more recent cells had delicate 
VOL. V. PY. Il. Qn 
