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CRUSTACEA.
P l a t e X V III.
Fig. A. Paramithrax {Chlorinoides) aculeatus, var. armatus, adult
S , X 1 j . a, lateral view of chela, x 2.
B, Hyastenus {Chorilia) convexus, adult rf > X 3. b, lateral
view of chela, X 4.
P l a t e XIX .
Fig. A. Euxanthus tuberculosus, X (adult), a, inferior view of
part of the orbit and antenna, showing the position of the
basal antennal joint, X ; a', outer view of chela, x Ig.
B. Hypocoelus punctatus, x 2, h, pterygostomian cavity, x 2 ;
V, o u te r v iew of chela, X 2.
C. Banareia inconspicua, rf, X 2. c, frontal region, x 2 ; c',
outer view of chela, X 2 |.
P l a t e XX.
Fig. A. Galene granulata, x 2 |. a, frontal region, X 2|-.
B. Halimedel coppingeri, x 3. h, frontal region, x 3 ; 6',
outer view of chela, x 3.
C. Xantho macgillivrayi, X 2. c, outer view of chela, X Ig.
P l a t e XXI.
Fig. A. Chlorodopsis granulatus, X 3. a, outer view of larger
chela, X 3 ; a!, outer view of larger chela of a variety
from Port Darwin, X 4.
B. Pilumnus lanatus, adult rf, X 3. h, outer view of larger
chela, X 2.
C. Pilumnus seminudus, adult $ , X Ig . c. Outer view of
Larger chela, x Ig.
P l a t e X X II.
Fig. A. Pilumnus pulcher, adult rf, nat. size, a, larger chela,
X l i .
B. Pilumnus semilanatus, adult rf, X 2. 6, larger chela,
C.
X U.
Fig. A.
B.'
Pilumnus labyrinthicus, X 3. c, outer view of chela, X 3.
P l a t e X X III.
Inferior view of the frontal, antennal, and part of the buccal
regions of Cryptocceloma fimbriatum, $ , X 8.
Achelous granulatus, var. unispinosus, adult r f , X Ig .
b, inferior view of the antenna and part of the orbit of
the same specimen, x 4.
C. Goniosoma spiniferum, r f , x 2. c, inferior view of the
antenna and part of the orbit, X 4.
P l a t e XXIV.
Fig. A. Camptoplax coppingeri, X 4. a, the frontal and antennal
regions, epistome, and palate, viewed from below, magnified.
B. Pseudorhombila vestita, var. sexdentata, rf , X 3. b, frontal
and orbital regions ; V, outer view of chela, x 3.
C. Pseudorhombila sidcatifrons, var. australiensis, 2 , X 3.
c, frontal and orbital region; c', outer view of chela,
X 3.
P l a t e XXV.
Aiacrophthalmus punctulatus, , X 4. a, outer view of
chela, X 4.
Ceratoplax ? arcuata, x 3. b, orbital region, showing the
structure of the antennæ and their position in the orbits,
&c. ; b', postahdomen of the male, X 4 ; h", outer view of
chela, X 4.
C. Ceratoplax ? lævis, X 4. c, orbital region, showing the form
of tho eye-peduncles aud position of the antennæ ; c', outer
view of chela, X 4.
Fig. A.
B.