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Serpulid or Vermetus-sheW, and forms several roots.] Reduced
to one third nat. size.
Fig. L. lotrochota purpurea. A small but symmetrically developed
dry specimen from Torres Straits or its neighbourhood.
Xat. size.
M. I . haculifera. Portion of type (spirit) specimen on stone,
from Port Darwin, between tide-marks. Xat. size. [The
small pointed conuli are not quite so well marked on
this as on the reverse side of tho specimen.]
X. Schmidtia variabilis. The greater part of the type specimen
(spirit), from Port Darwin, 7 -12 fms. [Seen from
the side, the true base is towards the right-hand margin of
the plate.] Reduced to two thirds nat. size.
0 . Pellina aliformis. The type specimen (in spirit), from Port
Darwin, 7-12 fms. Seen from one side, one wing almost
concealing the other. Xat. size.
P l a t e XL.
Fig. A. Echinodictyum glomeratum. Tj’pe specimen (dry), from
Thursday Island, Torres Straits, 4 -5 fms. Xat. size.
B. Pachychalina macrodactyla, portion, including the second
and third bifurcations above base, seen from the front. B'.
Apex of branch from front, slightly inclined to one side
to show lateral series of vents. From dry, somewhat
macerated, specimen from Friday Island, Torres Straits.
Xat. size.
C. Amphilectus hispidulus. The greater part of the type (dry)
specimen; the real base is on a shell (omitted) to the left.
From Thursday Island, Torres Straits, 3 -5 fms. Xat.
size.
D. Echinodictyum cancellatum. The lower part (about half of
the whole) of the type (dry and macerated) specimen
from Warrior Reef, Torres Straits. One third nat. size.
Fig. E. Stelletta purpurea. One of the larger specimens from
above, showing (e) vent. In spirit. West Island, Torres
Straits, 7 fms. Xat. size.
F. Clathria coppingeri. The type specimen (dry), from
Albany Island, Torres Straits, 3 fms. One third nat. size.
[The margins are slightly reduced by fracture.] F'. The
same; two meshes, from front, from specimen in sp irit;
West Island, Torres Straits, 3 -4 fms. Xat. size.
G. Alyxilla arborescens. About one half of type specimen (in
spirit), from Port Jackson, 0 -5 fms. Xat. size.
H . Tethyopsis dissimilis. Larger of the two specimens from
Port Darwin, 7 -12 fms. In sp irit. Xat. size. [Imperfect
above and below.]
I. Olathria acideata. The type specimen, from Thursday
Island, Torres Straits, 3 -4 fms. In spirit. Xat. size.
J . Raspailia hifurcata. The type specimen (in spirit, but
macerated), from Prince of Wales Channel, Torres Straits,
5 -7 fms. Xat. size.
K. Esperia pellucida. One lobe of type specimen, with part
of incrustation involving stones &c.; in sp irit; from Alert
Island, Torres Straits, 7 fms. Xat. size.
L. Rhaphidophlus arborescens. The type specimen (dry),
from Friday Island, Torres Straits. Two thirds nat.
size.
P l a t e XLI.*
Fig. A. Hippospongia derasa. The type specimen, from West
Island, Torres S tra its ; dry, macerated. Seen from the
longest side. Reduced to two thirds nat. size.
B. Dysidea semicancdis. The type specimen, from Xorth-east
coast of Australia; dry and macerated. Reduced to one
half nat. size.
* The microscopic details in this and the following Sponge-plates have been
in almost all cases .prepared with the aid of sketches made to scale by Mr. Eidley
himself.
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