3. Octopus maculosus. (Plate IV. fig. C.)
Uoyle, Trans. Boy. Physical Soc. Edinb. 1884.
Body short, about as broad as long, dirty buff beneath, of a dark
bluish slate-eolonr upon tlie hack, minutely dotted on both sides, the
dots being scarcely visible to the naked eye excexh upon tho pale
ventral surface, smooth below and above, merely wrinkled by contraction
of the skin, without granulation or cirri. Head narrower
than the body, a little prominent at the sides or eyes, of the same
colour above as the body. Siphuucle buff. Arms alternately handed
Avith dark slaty bhie and buff, the former colour predominating,
ornamented here and there Avith pale, more or less ovate rings upon
some of tho dark bauds. Dorsal jDair rather shorter than the rest,
AAdiich are snhequal, connected by a strong interhrachial membrane,
AA+ich joins thetAvo ventral arms a little lower doAvn than these and
the two adjoining. Cups alternating in two rows, very slightly
prominent, close together, huff on a slaty-blue ground, and thus eou-
spicnous, about one hundred in number on the longest arms aud a
fcAV less on the dorsal pair, of the same size on all the arms, the
largest of them situated towards the lower part, the rest gradually
lessening towards the extremity.
Length of body 22 millim., diam. 2 6 ; length from end of body
to membrane between lower pair of arms 43 millim. ; diam. of
head 20 ; length of longest arm from the mouth to the tip 78
m illim .; largest cup I f wide.
Hah. Port Jackson.
The peculiarity of the colour of this species readily distinguishes
it from aU others previously described.
I I . GASTROPODA.
1. Conns lizardensis.
Crosse, Journ. de Conch. 1865, vol. xiii. p. 305, pi. ix. fip. 6 : Sowerbv,
Thes. Con. iii. pi. 288. fig. 642.
Hah. Lizard Island, N.E. Australia {Crosse); Arafura Sea,
N. Australia, 32-36 fath. {Coppinger).
_ The single specimen from the latter locality is about the same
size as the type described by M. Crosse, hut differs in having the
spire less elevated, although consisting of an equal number of whorls.
The twofold character of the spiral ridges, the strong raised lines of
increment, and the fine sculpture upon the top of the volutions are
aU maintained.
2. Conus aculeiformis.
Reeve, Conch. Icon. pi. 44. figs. 240 a, b ; Soiverhy, Thes. Conch, iii.
pi. 202. fig. 370.
Hah. Island of Mindanao, Philippines {Cuming); Arafura Sea,
32—36 fath. {Coppinger).
In form the specimen obtained by Dr. Coppinger agrees to a great
extent with C. aculeiformis. Reeve, hut almost entirely lacks the
lateral inclination of the anterior narroAved extremity. The spiral
sulci on the body-whorl are narrower, and exhibit a decidedly less
amount of suhpunctate sculpture caused by the impressed lines of
growth. The raised interstices are markedly flatter and broader,
and do not exhibit the brown dotting so characteristic of Reeve’s
species. These differences may probably be accounted for by the
younger state of the single specimen from the Arafura Sea, which,
being dredged in a dead condition, has in a great degree lost its
coloration. The spire offers scarcely any differences, the proportionate
height, the coronation of three or four whorls succeeding the
smooth glossy nucleus, the smooth ridge immediately below the
suture, the finer lira beneath it in the concavity of the whorls, and
the elevated margin beneath this being precisely as in the larger
shell described by Reeve, with the exception of the ridge beneath
the suture, Avhich is rather broader and more flattened.
3. Terebra exigua.
Deshayes, Proc. Zool. Soc. 1859, p. 301 ; Reeve, Conch. Icon. pi. 26.
fig. 84.
Hah. Thursday Island, Torres Straits {Coppinger) ; East Australia
{Deshayes) ; Andaman Islands {Colonel Wilmer in Brit. Ains.).
The type of this species is described as having a length of 19
millimetres, hut the single shell in the Cumingian collection is scarcely
15 long. One from the Andaman Islands measures 21 millimetres,
and the one now recorded from Torres Straits exceeds th at in length
by four.
4. Pleurotoma (Drillia) torresiana. (P late IV. figs. D-D 1.)
Shell fusiform, strong, robust, longitudinally costato and spirally
lirato, having the ribs white or yellow, stained either Avith bright
I’ed or brownish black in the interstices, and ornamented with two
bands of the same colour upon the last whorl. Volutions 12, having
a duplex wavy ridge above, beneath which they are excavated and
then convex at the sides ; the concavity is rather deep and traversed
by three or four spiral striæ. The costæ arc obsolete in the concavity,
a trifle oblique, thickest above, attenuating inferiorly,
thirteen in number on the last two whorls, two of them on each
being largo swollen white A’arices. The ribs are crossed by spiral
liræ, there being seven or eight on tho penultimate, and about
twenty-four on the last whorl, besides one or more finer ones in the
interstices between them. The columella is smooth, covered with a
thin callus, developed into a tubercle at the upper part. Lahral
sinus deepishin the concavity above. Length 34 millim., width 10;
aperture 13 long.
Hah. Priday Island, Torres Straits, and Prince of Wales Channel,
7 -9 fathoms.