PLATE XIII. (XXXIX.)

Elasmopoides chevreuxi, n. g. et sp.

n.s. Line indicating natural size of female specimen figured above in lateral view.

l.s., l.i., m., mx. 1, mx. 2, mxp. Upper and lower lips, mandible, first and second maxillæ, and maxillipeds. These parts are more highly magnified than the other appendages, except the finger of prp. 2.

gn. 1, gn. 2, prp. 2, 5. First and second gnathopods; second and fifth peræopods; the finger of prp. 2 more highly magnified than any of the other figures.

urp. 3, T. Third uropod, and dorsal view of telson in attachment to sixth pleon segment.

n.s.

PLATE XIV. (XL.A.)

Eurystheus holmesi, n. sp.

Line indicating natural size of male specimen figured below in lateral view.

gn. 1, gn. 2, prp. 3, 4, 5. First and second gnathopods, and third, fourth, and fifth peræopods.

urp. 1, 2, 3. First uropod in attachment to fourth pleon segment in lateral view; second and third uropods in attachment respectively to fifth and sixth pleon segments, and the telson, in dorsal view.

PLATE XV. (XL.B.)

Eurystheus atlanticus (Stebbing).

gn. 1, gn. 2, prp. 3. First gnathopod with higher magnification of the finger, second gnathopod, second and third joints of the third peræopod. First, second, and third uropods; telson attached to sixth pleon segment in dorsal view. All the parts figured from a male specimen.

urp. 1, 2, 3, T.