202 
CRUSTACEA. 
b. TachidincB : second pair of maxillipeds prehensile, as in the following ; 
first pair of feet natatory, as the rest of the feet. 
c. Harpactince : second pair of maxillipeds and first pair of feet more or 
less prehensile. Amymone, Slmhelia, Ameira^ Mesochraj Lac^honte (Phil., 
1840) = Cleta (Claus, 1863), Cletodes, &c. 
d. PeUidiinoi : second pair of maxillipeds snhprehensile j palpus of man- 
dibles peculiarly formed. Peltidium (Phil.) = Omscu/mm (Claus). 
e. MetincB'. upper antennae with an articulated accessory branch, lower 
antennae prehensile j mandibles and their palpi elongate, other oral parts 
rudimentary ; fifth pair of feet wanting. Metis (Phil.). 
Canthocamptus imus^ sp. n., Brady, Ann. N. H. (4) x. p. 11, pi. 4. figs. 1-5, 
off Seaham harbour. 
Ectinosoma sarsi and curlicornis, spp. nn., Bock, 1. c. pp. 45 & 46, Chris- 
tianiafjord. 
Zosime, g. n. Upper antennae short, 6-jointed j inner branch of lower an- 
tennae elongate \ palpus of mandibles large, 2-jointed. First pair of ms-xilli- 
peds with 3 wart-like prominences on the inner side, bearing feather-shaped 
bristles. Z. typica, sp. n., id. 1. o. p. 46, Christianiafjord, 16 fathoms. 
Brady a, g. n. Upper antennae very short, 7-jointed; inner branch of 
lower antennae elongate ; palpus of mandibles well developed, with two large 
ono-joijited branches, f^irst pair of maxillipeds as in the preceding. B. 
iypica^ sp. n., id. 1. c. p, 47, Christianiafjord, 16 fathoms, 
Amymone rubra, sp. n., id. 1. c. p. 48, Norway. 
Stmhelia lonyicazidata, sp. p., id. 1. c. p. 49, Norway. 
Ameira parva, sp. n., id. 1. c. p. 49, Norway. 
Mesochra minuta, sp. n., id. I,, c. p. 60, Norway. 
LaopJionte hodgii, sp. p., Brady, 1. o, p. 12, pi. 6. figs. 1-9, off Seaham 
harbour. 
L. elongata, koreni, nordlan^i^a, ajinis, and piinuta, spp. nn., Bock, 1. c. 
pp. 6052, Norway. 
Cletodes, g. p. Upper antennae 6-jointed j lower antennae without a secon- 
dary branch. All 4 pairs of svnmming-feet equal. C. limicola, sp. n., Brady, 
1. c. p. 12, pi. 6. figs. 10-17, off Seahani harbour, C. laticauda and buchholzi, 
spp. nn., Bock, 1. c. pp. 62 & 63, Haugesund, Norway. 
Enhydrosoma, g. n. Accessory branch of lower antennae 1-jointed; pal- 
pus of mandibles elongate, 3-jointed ; second pair of maxillipeds more de- 
veloped, Ip other respects like the preceding genus. E. curticauda and 
Imgicmdaia, spp. nn., Bock, I, o. pp. 62-54, Cliristiariiafjord. 
Euniclssmia, g. n. Inner branch of the first pair of feet 2-jointed, of the 
three follpwing pairs 3-jointcd j upper aptennao 4-jointed ; accessory brancli 
of lower antennae 2-jointed j palpi of mandibles and maxillae well developed. 
Z>. typica, sp. p., id. 1. c. pp. 64 & 65, flaugesund, Norway. 
Eactylopus normani, sp. n., Brady, 1. c. p. 16, pi. 5. figs. 13-17, Roker, on 
Laminaria saccharina. 
D. longipes, sp. n., Christianiafjord, 16 fathoms, and abyssi, sp. n., Hauge- 
sund, 80 fathoms, Bock, /. c. p. 66. 
Diosaccus, g. n. Two ovisacs j upper antennae 8-jointed, basal part long, 
6-joiuted; accessory branch of lower antennae 2-jointed j palpus of man- 
dibles with rudimentary outer branch. Dactylopus tenuicornis and lonyiros- 
iris (Claus), 2). abyssi, sp. n., Norway, id. 1. c. p. 67. 
