270 Proceedings oj the Royal Physical Society. 
and a quarter from the point of the snout, and at about 
the same distance from one another, the forehead being 
rather rounded between them, and towards the point of the 
snout. About half an inch in front of the eyes, and about 
three-quarters of an inch from the front of the snout, there 
is on each side a pair of short cirri or tentacles, which pro- 
ject about an eighth of an inch, and are the prolongation of 
the olfactory organs. . 
The body measured along the back, and including the 
caudal fin, is about four times the length of the head. 
Its upper part, from the upper and back part of the head, 
to a little behind the pectoral fins, is thickly covered 
with very small, short, and fine bristle-like spines or 
prickles, which point backwards, making this part of the 
body feel rough to the finger, as it is drawn from behind 
forwards, while the rest of the body behind, and below, 
is smooth ; on the under part of the throat and over the 
dilatable belly, there are numerous small pits or punc- 
tures in the fibrous-like structure of the elastic-looking skin, 
which suggest, at least, the possibility of having been 
filled with spines ; no remains of spines, however, were found 
or felt in any of these little foramina, or any appearance of 
them discovered in the bottle in which the fish was pre- 
served. These small spaces or pits left between the inter- 
lacing fibres of the skin may therefore be simply connected 
with the great dilatability of the skin of this part of the 
body. 
The Fins are nearly equal in length ; the pectorals^ which 
appear as if cut square across at their extremities, being 
greatest in breadth, measuring an inch in length by one 
inch in breadth, and consist of eighteen rays. These fins 
are inserted about an inch and a quarter behind the eye, \ 
and immediately in front of their bases are the branchial j 
openings, slightly curved backwards, and about half an inch 1 
in length. The dorsal fin is situated at 5f inches distance j 
from the snout, measured along the back of the fish (the j 
back part of the fin being If inch from the commencement I 
of the caudal fin), it is l^th inch in length by fths of an ! 
incli in breadth at the base, tapers slightly in shape, and j 
