248 
ILYANTHIDiE. 
Mouth. A line without distinct lip ; not elevated on a cone. Furrowed 
within. 
Colour. 
Column. Drab or dirty white ; the septa distinct as white longitudinal 
lines ; the swollen bladder-like extremity translucent, and almost colorxr- 
less, except for the septa. 
DisTc. Mai'ked with a pretty star-like pattern, eonsisting of a pale blue 
area, inclosed in a pale line, and surrounded by twelve triangular rays of a 
dark brown hue; each triangle surmounted by a pale W-hke figure, 
which incloses a dark brown area, according to the accompanying pattern. 
Tentacles. Pellucid brown, the front crossed by six semi-rings of opaque 
white, of which the second, the fourth, and the fifth (counting from the 
foot upward) are angular, the second pointing downward, the fourth and 
fifth upward. The pellucid interspaces are tinged with brown, deepest 
on the first, second, and fourth ; and the first white ring, surrounding the 
foot, is sometimes tinged with sulphur-yellow. 
Mouth. Y'ello wish-white. 
Size. 
Specimens reach to an inch and three-quarters in length, and one-eighth 
of an inch in average diameter ; the extremity is frequently inflated to 
one-fourth. 
Localitv. 
Coast of Cornwall : buried in sand at low water, and in tide-pools. 
This is a very interesting little zoophyte, which was 
first made known by Mr. C. W. Peach, who has faithfully 
described its person and manners. Its lack of an expanded 
base of course removes it from the genus fa/ and 
when I formed the genus Peachia, it was under the sup- 
position that the present little species was to be therein 
included. Subsequent personal acquaintance with it, 
however, induced me to constitute a new genus for its 
reception, to which I have since added a second species. 
The name of this genus, Ilalcampa, formed from aX?, the 
sea, and Kafiirr,, a maggot, alludes to the grub-like form of 
the animal ; a form which I commemorate also in the 
English name, pintUt, from pintle, an iron pin. The 
