7 Gcel. 
C(KLBNTERATA. 
E. H. ?, Studer, 1. c, ; miniacea^ sp. n., id. ibid. p. 657, pi. iv. fig. 24, West 
Australia, 60 fath. ; distanSy sp. n., id. ibid. pi. iv. fig. 25, N. West Aus- 
tralia, 50 fath. 
Characters of Juncella, Ellisellay and Scirpearia (inch Nicella, Rayner- 
ella, Viminella), Studer, 1. c. pp. 658-660. 
Juncella juncea, Pall., Studer, 1. c. p. 659 ; flexiliSy sp. n., id. ibid. pi. iv. 
fig. 26, Mauritius, 25 fath. 
Ellisella maculata, sp. n., Studer, 1. c. ph iv. fig. 27, calamus^ sp. n., id. 
ibid, pi, V. fig. 28, N.W. Australia, 50 fath. 
Scirpearia Jlagellumy Johns., Studer, 1. c. pi. v. fig. 30 ; mirabilis,Vn\\., 
ibid. pi. V. fig. 29. 
(Isidm). Isis antarcticay sp. n., Studer, 1. c. p. 661, pi. v. fig. 32, off 
N.W. Kerguelen, 60 fath,; I. neapolitanay sp. n., = elongata, Esper., 
Koch (5 b). 
SclerisiSy g. n., Studer. Erect, branched, calcareous joints very long, 
delicately striated, the horny ones short, disk-shaped ; branches from 
the calcareous joints ; crust thin, without spicula ; calicles bell-shaped, 
with restricted base, covered with large, arched, thorny, fusiform spicules, 
crowded and decussating in the sclerenchyme, but forming an eight- 
valved operculum around the orifice of the calicle. S. pulchella, sp. n., 
Studer, 1. c. p. 662, ph v. fig. 33, Pacific, 697 fath. (A Eunicid 
Annulate worm lives in the stem, as in certain Stylasteridw and Ocu- 
linidce.^ 
Ceratoisis grandiflora, sp. n., Studer, 1. c. ph v. fig. 34, Fiji, 975 fath. ; 
japonicay sp. n., id. ibid. p. 663, Japan, 300 faih. ; siemensiy sp. n., id. 
ibid, ph V. fig. 35, Atlantic, 1780 fath. ; crnata, sp. n., Yerrill, Am. J. Sci. 
(3) xvi. pp. 212 & 376, Nova Scotia, 250 fath. 
Acanella normanniy Verr., id. ibid. (= Mopsea arbuscula, Norm.) 
Isidella capensis, sp. n., Studer, 1. c. p. 665, ph v. fig. 36, Cape of Good 
Hope, 50 fath. 
(Briabeidje). Suberiay g. n., Studer. Stem simple or branched, erect ; 
axis formed of bacilliform, not confluent spicula, enveloped in a horny 
substance ; no nutritive axial canals ; a thick crust containing fusiform 
muricate spicula ; polypiferous warts large, vertical in relation to the 
stem ; terminal orifice octo-radiate ; polypites with delicate fusiform 
spicula, from the base to the tentacles ; around the axis a circle of longi- 
tudinal vessels. S. hcdlikeriy sp. n., Studer, 1. c. p. 667, ph v. fig. 37, 
N. off New Zealand, 90 fath. ; clavariay sp. n., id. ibid, ph v. fig. 38, East 
Coast of South America. 
Sclerogorgia mexicanay Koch (5), p. 448. 
Characters of Solenocaulon (inch Solenogorgiay Genth.), Studer, 1. c. 
p. 669. S. tortuosuniy Gr., 1. c. ph v. fig. 39; grayiy sp. n., Studer, 1. c. 
p. 671, ph V. fig. 40, N.W. Australia, 50 fath. 
(Pennatulidje). Pavonaria africanay sp. n., Studer, 1. c. p. 672, ph v. 
fig. 41, W. Africa, 360 fath. 
Veretillum cynomoriuniy Pali., var. astylUy K611. ; Studer, 1. c. p. 674. 
Cavernularia madeirensisy sp. n., Studer, 1. c. ph v. fig. 42. 
Jtenilla muelleriy Sch. ; id. ibid. fig. 43. 
