128 Scientific Intelligence. — 
G. 6. MEzra, Latr.—Carapax subquadratus, fere planus, fronte 
- . o^ . "e vo ^i. * 
lato, oculis versus angulos insitis. Pedes toti graciles, Basis, XE 
antennz externz cylindricus. ; 
An genus sequens hic pertinet ? 
AcawTHopEs, De Haan.*——Carapax angustus, Pilummo formá 
affinis, spinis grandibus anticé armatus. Pedes spinosi.—Species 
Acanthodes armatus Haanii magnitudine portentosus. » 
"a ai 
3. ACTUMNINZE.—Orbitá Ozinis similis. Digiti instar cochlearis 
excavatl. ESOS 
G. AcruuNvus, Dana.t—Carapax paulo transversus, valde con-  . . 
vexus, antice lateraliterque curvatim declivis. Articulus antenne 
externz 1mus processum frontis attingens tantum. t. AEN | 
e a. Ko 
3 
M 
4. ERIPHIN/E.—Orbita infra bene clausa, hiatu interno carens, artic- — 
ulo antennz e orbitá omnino excluso. Carapax sive paulo transver- - 
sus sive subquadratus. 
G. 1l. RurPzLL1A, Edw.—Carapax latior. Antenne pars mobilis 
externz orbitá paululum remota. | Articulus maxillipedis externi - 
3tius paulo transversus. 
G. 9. EnipniA, Latr.—Carapax angustus, convexus, fronte szepius 
valde declivi. Antennae pars mobilis externz orbità longe re- 
mota. Articulus maxillipedis externi 3tius paulo transversus. 
G. 3. Dow xcivs, Souleyet.j — Ruppellie formá antennisque ex- 
ternis affinis. Articulus maxillipedis externi 3tius valde trans- 
versus, brevissimus, epistomam tegens. 
G. 4. 'lTRAPEZIA, Latr.—Carapax subquadratus, planus, glaber, 
fronte horizontalis, leviter 6-8-dentatus, aut sinuosus, lateribus 
longitudinalis. "T'arsi non unguiculati, minute spinulosi.  Brach- 
Ium ultra carapacem longe exsertum. 
G. 5. TTETRALIA, Dana.S— Carapax aspectu Trapezic affinis. Frons 
horizontalis, rectiusculus, subtilissimé denticulatus. "Tarsi bre- 
viter ungulculati. Brachium ultra carapacem paulo exsertum. 
G. 6. QuApRELLA, Dana.—Carapax subquadratus, paulo convexus, 
]zvis, fronte horizontalis, 6-spinoso-dentatus. 'larsi unguiculati. 
Brachium ultra carapacem longe exsertum. 
FaAw. IIl. PORTUNID/E. 
Pedes postici natatorii, tarso laminato. Ramus maxillipedis 1m 
internus lobo interno instructus. Palatum colliculo utrinque sczpissime 
divisum. Corpus sive latum sive angustum, oculis sat brevibus. 
** Faun. Japon. 20. - 
| Very near Actea, but the przlabial plate or palate is strongly divided by a 
ridge either side. Besides, the form is much narrower and more convex than in the 
Actes, being subglobose above. 
I Voy. of the Bonite; also, * Voy. au Pole Sud," under D'Urville, in the Astro- 
labe and Zélée, plate 6, figs. 3-7, by Hombron and Jacquinot, 
— 8 This Journal, [2] xi, 223. 
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