130 S'cientific Í ntellizence. e 1 
973A » | | 
G. Anrewzus, Dana.—Lupe affinis. Carapax valde latus, antice 
arcuatus. Pars antenne externa mobilis hiatu orbitee insita. 
Manus prismatica.* 
3. PORTUNIN/E.—Sutura sterni rm segmenta duo intersecans. 
Colliculi palati saepius obsoleti. 
G. PozruNus, PFabr.—Angustus, margine antero-laterali Mm 
quam postero-lateralis. 
Fax. IV... PLATYONYCHID;E. 
E 
Pedes postici natatorii, tarso laminato. Ramus maxillipedis 1mi in- 
ternus lobo interno non instructus. Palatum colliculo utrinque non divi- 
sum. Corpus angustum. 
e CARCINUS, Leach.t—Pedes postici male natatorii, farso an- 
gusté lanceolato. Carapax parce transversus. 
G. 2. PonruuNvs, Leach.—Pedes 5ti natatorii tantum, tarso lan- 
ceolato, acuto. Carapax non latior quam longior. 
G. 8. Pnarvowvcnus, Latr.j—Pedes 5ti natatorii tantum, tarso 
lato, elliptico. Carapax latior quam longior. 
G. 4. Porvsivs, Leach.—Pedes 9di, Sti, 4ti, Dti toti natatoril, 
— — tarsis late lanceolatis. 
FAw. V. PODOPHTHALMIDJE. 
Pedes postici natatorii, tarso laminato. Ramus maxillipedis 1mi 
internus lobo interno instructus. Corpus latum, antice valde transver- 
sum, orbitis oculisque longissimis. 
G. PopnorurHaLMvuS, Lamarck. 
Lrzer) I. "TELPHUSINEA, vet. CANCROIDEA 
GRAPSIDICA. 
Fax. L  TELPHUSIDZ. 
Carapax subquadratus aut orbiculato-quadratus.  Palatum colliculo 
utrinque sepius divisum. | [Species Eriphiis paulo affines.] 
G. 1. Tzrz?Husa, Latr.—Articulus maxillipedis externi 3tius sub- 
quadratus, Zdus oblongus.  Carapax subquadratus. 
. G. 2. 'URicHoDACTYLUS, Latr.—Articulus maxillipedis externi 
3tius subtriangulatus, 2dus oblongus. 
* "This genus is instituted for the Lupa cribraria, whüch differs from the other 
Lupas in the characters stated. This species occurs in the shallow waters off a sand 
beach. 
T Xaiva of M'Leay (Smith's Illust. Zool. S. Africa) js decribed as near Carcinus. 
The narrow form is the same; the antero-lateral margin i-dentate and shorter than 
the postero-lateral ;. the tarsus of the 5th pair of legs wider than in Carcinus; the 
3d joint of the outer maxillipeds subquadrate and carinate at base, with the inner 
margin emarginated for the next joint just above its middle, a form which occurs in 
Platyonychus. 
1-Anisopus of De Haan, Faun. Japon. 
1! 
, 
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