Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
.4a. 
Aa 
HANSEN: THE ISOPODA. Let 
2. Rocinela laticauda, n. sp. 
Male (the largest specimen), natural size. 
. Head of female without marsupium, seen from below, X 5. 
. Right side of thorax of the small immature female, scarcely X 3, 
. Left leg of second pair of the larger immature female, seen from below, 
scarcely X 4. 
. Left leg of fifth pair of the same female, seen from below, scarcely X 4. 
. Last thoracie segment and abdomen of the small immature female, 
scarcely X 3. 
3. Rocinela modesta, n. sp. 
Head of female with marsupium, seen from below, X 6; the flagella 
of the antenne are broken off. 
. Left leg of second pair of the same female, seen from below, X 4. 
. Left leg of fifth pair of the same female, seen from below, X 42, 
>, Last thoracic segment and abdomen of the same female, X 3. 
4. Irona foveolata, n. sp. 
Female with marsupium, X 7. 
Leg of second pair of “ pullus stadii primi,” x 22. 
Posterior part of abdomen of “ pullus stadii primi,” X 22. 
5. Cryptione elongata, n. gen., n. sp. 
Leg of first pair of the male, X 111. 
Leg of fifth pair of the male, X 111. 
PLATE IV. 
1. Cryptione elongata, n. gen., n. sp. (continued). 
Female seen from above, X 48. 
Same female seen from below, X 42; m. male ; map. maxilliped; 1’, rami 
of first pleopod on the left side (of the animal = right side of the figure) ; 
2, rami of second pleopod on the right side; 4’, rami of fourth pleopod 
on the left side; 5, rami of fifth pleopod on the right side; 5’, rami of 
fifth pleopod on the left side; 6, uropods. The marginal hairs on the 
marsupial plates are omitted. 
Head of the female seen from below and both maxillipeds omitted, X 9; 
a, antennula; b, antenna; c, labrum; d, mandible; e, maxillula ; /, max- 
illa; y, place of attachment of the maxilliped; A, hypopharynx; l, lobes 
or processes from the border behind the maxillipeds. 
Left maxilliped of the same female seen from below, X 4°; 1, first joint 
with its posterior expansion ; 2, second joint; d?, dilatation on the outer 
side of the second joint; p, palp. 
Left leg of first pair with its marsupial plate seen from below, X 12; 
2, second joint of the leg (the first joint being fused with the thorax). 
