COLLECTIONS EROM THE WESTERN INDIAN OCEAN.
MOLLUSCA.
P l a t e XLIV.
Lig. A. Oonus martensi.
B. articulatus.
C. Pleurotoma {Defrancia ?) grisea.
D. Murex {Ocinebra)pumilus.
E. ------ (----- ) infans.
F. ------ (------) darrosensis.
G. Columbella seyehellensis.
H. cincinnata.
I. rufopiperata.
K. amirantium.
L. albocaudata,
M. Coralliopliila amirantensis.
N. Mitra tenuis.
0 . Turricula {Callithea) bipartita.
P. Alarginella picturata.
Q. Cerithium albovaricosum.
E. amirantium.
S. {Bhinoclavis) acutinodulosum,
T, Tte Triphoris mirificus.
U, U / U‘. Turbo tursicus.
V, V I Trochus {Gibbula?) amirantium.
W. Chemnitzia coppingeri.
ECHINODERMS.
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P l a t e XLV.
Fig. a. Neoplax ophiodes, x 2.
h. Arm-joints of ditto, seen from above, X 4.
c. The same, from the side, x 4.
d. The same, from below, X 4.
e. Lower surface of disk, X 4.
CRUSTACEA.
P l a t e XLVI.
Fig. A. Achæus lævioculis, r f , X 5. a, chelipede, x 5.
B. Stilbognathus martensi, adult rf, x 2 . h, buccal and antennal
regions, showing the form of the joints of the outer
maxillipede &c., x 3 ; 6', chelipede, x 2 | .
P l a t e XLVII.
Fig. A. Eurynome stimpsonii, r f , X 4. a, chelipede, X 6.
B. Entomonyx spinosus, X 3 |. h, inferior view of antennal
region, showing the form of the basal antennal joint,
X 4 | ; V, postahdomen, x 4 ; 6", chelipede, X 4.
P l a t e XLVIII.
Fig. A. Frontal region of Xiphonectes vigilans, var. ohtusidentatus,
showing the form of the marginal teeth, x 5.
B. Thalamita quadrilobata, adult rf • chelipede.
C. Carcinoplax integra, $ , X 5. c, inferior view of frontal
and antennal region, showing the form of the peduncular
joints of the antennæ and the merus of the maxillipedes ;
c', chelipede, x 7.
Ite,
1,11