BRYOZOA FROM FRANZ-JOSEF LAND. 15 
32. Lmpratta Hipporus, Smitt. (PI. 8. fig. 20.) 
Lepralia hippopus, Smitt, “Krit. Fort.” 1867, pp. 20 & 127, pl. xxvi. 
fies. 99-105; Hincks, Brit. Mar. Polyzoa, p. 309, pl. xxxiii. figs. 8, 9. 
This is common on pieces of basalt from off Elmwood, at a 
depth of 18 fathoms. There are but very few avicularia, and it 
is often only after careful search that two or three are found on 
a large colony. The specimens entirely correspond with the 
description given by Hincks of the specimen from off North- 
umberland. The operculum does not close the ovicell. There is 
a Lepralia allied to this in the Southern hemisphere which has 
been named by MacGillivray Schizoporella pulcherrima. L. 
pulcherrima has a row of large pores round the border, and a 
semicircular avicularium at each side of the aperture, and the 
operculum, which is truly Lepralioid, is shorter than that of 
L. hippopus. The latter species is very similar to the Lepralia 
incisa, Busk, from Inaccessible Island (Challenger). 
Loc. Spitzbergen, Greenland, and Finland (Sm.); Gulf of 
St. Lawrence (Dawson, and in my coll.). Coast of Northumber- 
land. 
Jackson-Harmsworth Exp.: off Elmwood, 18 fathoms. 
33. LEPRALIA PORIFERA (Smit). (PI. 8. figs. 14, 15.) 
Escharella porifera, forma typica, Smitt, Gifvers. Vetensk.-Ak. Forh. 
1867, p. 9, pl. xxiv. figs. 30-32. 
Lepralia porifera, Hincks, Ann. Mag. Nat. Hist. ser. 4, vol. xix. p. 102, 
pl. x. figs. 1, 2 (1877). 
PSmittia Landsborovii, var. porifera, Hincks, Brit. Mar. Polyzoa, 
p- 343, pl. xxxvi. fig. 1 (non Ann. Mag. Nat. Hist. ser. 6, vol. i. p. 225, 
pl. xiv. fig. 2). 
Smittia porifera, Lorenz, Bry. Jan Mayen, p. 92; Nordgaard, Syst. 
fort. over dei Norge, hidt. observ. Art. af Mar. Polyz., Bergens Mus. 
Aarbog, 1894-5, No. ii. p. 26, pl. ii. fig. 1. 
The central denticle is wanting, as has been already mentioned 
by Hincks and others, and in this respect it differs from Smtéza ; 
also the operculum is fairly thick, and of the Lepralia-type, on 
which account it is placed under Lepralia. 
Loc. Spitzbergen and Greenland (Sm.); Norway (Nordg.); 
Davis Straits (Hincks), given as Iceland in mistake ; Jan Mayen 
(Lorenz). 8. Devonshire ? 
Jackzon-Harmsworth Exp.: Lat. 77° 55’ N., long. 53° 16’ E., 
130 fath. 
Besides the species already mentioned, Lepralia megastoma, B., 
and Z. vitrea, Lorenz, are mentioned as Arctic species. 
