24 
THE VOYAGE OF H.M.S. CHALLENGER. 
100 fathoms ; Gulf of St. Lawrence ; Spitzbergen ; West of Nova Zembla, lat. 72° 30' N., 
long. 52° 45' E., 5 to 20 fathoms, Stuxberg and Theel ; Roscoff, Joliet; Port Jackson, 
Has well.] 
Distinguished from the preceding species, as above observed, by the tubular portions 
of the zooecia being punctate up to the border of the orifice, and their rather larger size. 
There can, I now think, be no doubt as to the distinctness of the two species. 
Family IY. Diastoporid^e, Busk. 
Diastoporidse (pars), Bk., Crag Polyzoa, p. 113, Smitt. 
Tubuliporidx (pars), Hincks, &c. 
Character . — Zoarium crustaceous or foliaceous, discoid or of indefinite outline ; adnate 
and sessile, or pedunculate and erect ; no interstitial cancelli. 
The Family here contains : — 
1 . Diastopora, Johnston. 
( 1 ) Diasto'pora patina. 
1 . Diastopora, Johnston. 
“ Diastopores simples,'” M. -Edwards, Re eh. sur les Crisies, p. 39. 
Diastopora, Johnst., Bk., Crag Polyzoa, p. 113; Brit. Mus. Cat., pt. iii., p. 28 ; Hincks, Brit. Mar. 
Polyz., p. 457. 
Diastopora (pars), Lamx., M.-Ed wards, Blainville, Reuss, Hagenow, Michelin, d’Orbigny, Smitt. 
Tubulipora sp., Johnst., Auctt. 
Berenicea (pars), Lamx., d’Orbigny. 
Patinella , Gray, Hincks, Zoopb. S. Devon, Ann. and Mag. Nat. Hist., ser. 3, vol. ix. p. 468. 
Character . — Zoarium adnate, discoid or flabeliiform, centric or excentric ; outline 
lobed or entire. Zooecia towards the centre wholly immersed, usually sub-erect and 
partially free towards the periphery ; orifice orbicular or elliptical ; horizontal or oblique. 
( 1 ) Diastopora patina, Lamarck (sp.). 
Tubulipora patina, Lamk., Johnst., Gosse, Mar. Zool., pt. iii., p. 8, fig. 1 (nee Milne-Ed wards); 
Joliet. 
1 Patinella verrucaria, Gray. 
Patinella patina, Hincks, Zoopb. S. Devon, Ann. and Mag. Nat. Hist., ser. 3, vol. ix. p. 468. 
Diastopora patina, Smitt., Busk, Brit. Mus. Cat., pt. iii., p. 28, pi. xxix. figs. 1, 2, pi. xxx. 
fig. 1 ; Hincks, Brit. Mar. Polyz., vol. i. p. 458, pi. lxvi. figs. 1-6 ; Waters. 
I Discosparsa marginata (pars), d’Orbigny. 
Discosparsa patina, Heller, Marion. 
Character . — Zoarium when mature, discoid, circular, cupped, and bordered by a thin 
expansion, Central zooecia immersed and usually occluded ; marginal ones erect and 
