by Rev. T. R. R. Stebbung. 33 
PLATE V. 
Dotilla clepsydra, sp. nov. 
n.s. Lines indicating natural size of specimen shown below in dorsal 
and ventral aspects, the dorsal showing the carapace with 
chelipeds and fourth and fifth perzeopods (prp. 4, prp. 5,) in 
attachment ; the ventral showing the chelipeds in position 
partly overlapping the third maxillipeds, and the last three 
segments of the pleon, with the antepenultimate almost 
covered by the setz of the preceding segment. 
m. Mandible, with further enlargement of the sete on the terminal 
joint of the palp. This figure is magnified on the same scale 
as the other mouth-organs. 
mx. 1, mx. 2. The first maxilla and the second, with further enlargement in 
the latter of the apex of the endopod and of the setz of the 
preceding plate. 
mxp. 1, mxp. 2, mxp. 3, end., ex., ep. First and second maxillipeds, and third 
maxilliped, with exopod and epipod detached, and separate 
figure of the last three joints of the endopod. 
PLATE VI. 
Rhynchocinetes typus, Milne-Edwards. 
ns. Dorsal view of specimen natural size as seen in the preserving 
receptacle, omitting the first and second antennz and the 
limbs. of the left side. All the detail figures are from a much 
smaller specimen. 
1s Proximal portion of the (imperfect) rostrum. 
Abe Dorsal view of the telson, with higher magnification of the apex. 
ai. Part of second antenna, with the scale. 
m.,m., mx. 1, mx. 2, mxp. 1,mxp. 2. The mandibles, first and second maxille, 
and first and second maxillipeds, ail to a uniform scale, more 
highly magnified than the following. 
mxp. 3, prp. 1, prp. 2, prp. 3, urp. Third maxilliped, first, second, and third 
perzeopods, and a uropod. 
