'Alert' 1881-2

664 EXPLANATION OF THE PLATES.
Plate XXVI.
Fig. A. Chelipede of Leucosia craniolaris, var. Icevimanus, X 2.
B. Oreophorus frontalis, (^ , x 4. 6, outer view of chela, X 5.
C. Matuta inermis, adult $, xlg. c, outer view of chela,
xl|.
D. Dorij^pe australiensis, X 3. d, outer view of the chela of a
male from Moreton Bay, x 3.
Plate XXVII.
Fig. A. Petalomera puTclira, adult 5
, x 2. a, anterior view of
frontal region, x 2 ; a, part of the sternum, showing the
position of the tubercles terminating the sternal sidci,
X 2 ; a", outer view of chelipede, x 2.
B. Paratymolus sexspinosus, x 4. h, outer maxillipede, show-
ing the form of the merus-joint ; 6', outer view of cheli-
pede, x4.
C. Frontal region of Diogenes rectimanus, showing the structure
of the rostrum, ophthalmic scales, and antennje, x 4.
c, outer view of chelipede, x 3.
Plate XXVIII.
Fig. A. Pagurus Jiessii, $ , X 2. a, outer view of chelipede, x 2 *.
B. Frontal region of S Enpagurus compressipes, x 3, show-
ing the form of the eyes, antennal peduncles and their
appendages, b, outer view of larger chelipede, x3; 6',
outer view of smaller chelipede, x 3.
C. Eupagurus JcirJcii, cJ , x 3.
Plate XXIX.
Fig. A. Petrolisthes Msivelli, adult $ , X Ig. a, part of the an-
tennae, showing the prominent spine on the antepenulti-
mate peduncular joint.
* In this species tlie postabdominal appendages are triramose ;
in the description, quadriramose.
not, as stated