BRYOZOA FROM FRANZ-JOSEF LAND. 65 
Lepralia plana, Dawson, Polyzoa of the Gulf of St. Lawrence, Rep. 
Canadian Geol. Sury. 1858, p. 256. 
Myriozoum planum, Hincks, Ann. Mag. Nat. Hist. ser. 6, vol. ix. 
p- 157. 
Myriozoum is the genus of Donati of which the type is I. 
truncatum, and it, together with WZ. coarctum and subgracile and 
the genus Haswellia, has very long pore-tubes, and the centre of 
the zoarium of the erect species has a spongy structure. Schizo- 
porella crustacea has longer pores than most of the Bryozoa, and 
they open diagonally, causing the open ornamentation; but the 
value of a character like this is difficult to estimate, as it is only 
one of degree, short pores occurring in a great part of the 
Chilostomata. The shape of the aperture corresponds with that 
of Myriozoum coarctum and M. subgracile. 
I do not consider this species the same as S. inezsa, M.-Ed. ; 
and therefore probably the fossil determined by Neviani as 
S. crustacea should be placed elsewhere. The description of 
L. plana, Dawson, was too insufficient to justify the adoption of 
that name. 
There are 15 tentacles. 
Loc. Greenland, 14-35 fath. (Busk); Spitzbergen, 10-80 fath. 
(Bidenkap); Kara Sea, 30-85 fath.; Kola; Jan Mayen, 15-180 
metres (Lorenz); Gulf of St. Lawrence; lat. 79° 55’ N., long. 
51° 0' E. (Ridley); Finland. 
Jackson-Harmsworth Exp.: off Elmwood, 18 fath.; Gunther 
Sound, 10 fath. 
22. ScHIZOPORELLA HarMsworTHiI, nom. nov. (Pl. 9.. 
figs. 10-12.) 
Eschara Legentilii, Aud., forma prototypa, Smitt, “ Krit. Fort.” 1867, 
pp. 10 & 81, pl. xxiv. figs. 47, 48. 
Schizoporella cincta, Hincks, var., Hincks, Ann, Mag. Nat. Hist. ser. 6, 
vol. ix. p. 154, pl. viii. fig. 2. 
The imperforate area immediately below the oral aperture is 
often depressed, giving a characteristic appearance to the zocecium; 
in other cases it is raised and carries an avicularium. The pits 
on the surface are very deep and are perforated at the bottom. 
The suboral glands of this species are very interesting, as they 
arise from the upper part of the tentacular sheath, and the gland 
is attached to the sheath for some little distance. The glandular 
cells are distinctly nucleated, and the interior of the gland 
contains a nearly homogeneous mass which does not stain. From 
LINN. JOURN.—ZOOLOGY, VOL. XXVIII. 5 
