56 Rev. T. Hincks on the 
Finmark, Spitzbergen, Greenland, Banks of Newfound- 
fend. » &P gen, ? 
and. ]- 
Cellepora, ? sp. 
Zoartum inecrusting, of a rather dark browncolour. Zowcia 
(towards the centre of the colony) erect, crowded, barrel- 
shaped, some elevated, some immersed ; surface smooth, more . 
or less punctured round the margin; orifice arched above, 
lower margin slightly curved outwards (suborbicular), and 
having in the centre a small notch, rounded below and con- 
tracted at the opening by two minute denticular projections ; 
operculum arched above, straight and entire below; peristome 
raised in front, embracing a short and stout rostrum, placed 
immediately below the oral notch, and bearing an avicula- 
rium on one side close to the top, with rounded mandible 
directed upwards ; two very tall articulated marginal spines, 
placed one on each side of the orifice above. Large avicularia 
scattered amongst the cells with a broad subspatulate man- 
dible, the beak elevated at the extremity into a hood-like 
projection, not denticulate. Occium (?). 
Incrusting Retepora and shells. 
I cannot identify this form with any of the described species 
known to me; but I am by no means prepared at present to 
say that it is new to science. It does not appear (so far as I 
can judge in the absence of the figures) to be included amongst 
the ‘Challenger’ Cellepore characterized by Busk (Journ. 
Linn. Soc. vol. xv. 1881, p. 841, &e.). If it should prove to 
be (as I suspect) undescribed, I should propose for it the name 
of Cellepora brunnea. 
ADDITIONAL. 
Family Porinide. 
LaGenipora, Hincks. 
This genus, as originally constituted *, was formed for a 
Porinidan species in which the cells are more or less im- 
mersed in a calcareous crust. But I am now convinced that 
this character cannot properly be made the foundation of a 
generic group, and I propose to apply the name to such forms 
as possess a lageniform cell with a free orbicular orifice and 
are destitute of a special pore. The original type of the genus, 
L. socialis mihi, will hold a place in the reconstituted group, 
* ¢ Annals’ for September 1877 ; ‘ Hist. Brit. Marine Polyzoa,’ vol. i. 
p. 236. 
