. On a new genus of the Crustacea, and the species on which it is established. Read July 8, 1817 . ?,.,?-?^>.* r:^ W:. L-v: ?p^. ^?ij ^V >,,.* ^ ?zet6 genus of Orchestidce; by J. D. Dana.—^.In a synopsis of thegenera of Gammaracea, in this Journal, volume viii, p. 135, three gen-era of Orcheslidse are mentioned, Talitrus, Orchestia and here add a fourth; and for the purpose of giving a fuller compar-ative view of the four, and correcting a misprinted viord, vi^e insertthe generic characters for the group. 1. Pedes primi non cheliformes nee subcheliformes,articulo stylifor
. On a new genus of the Crustacea, and the species on which it is established. Read July 8, 1817 . ?,.,?-?^>.* r:^ W:. L-v: ?p^. ^?ij ^V >,,.* ^ ?zet6 genus of Orchestidce; by J. D. Dana.—^.In a synopsis of thegenera of Gammaracea, in this Journal, volume viii, p. 135, three gen-era of Orcheslidse are mentioned, Talitrus, Orchestia and here add a fourth; and for the purpose of giving a fuller compar-ative view of the four, and correcting a misprinted viord, vi^e insertthe generic characters for the group. 1. Pedes primi non cheliformes nee subcheliformes,articulo styliformi confecti; secundi ssepe subcheli-formes, manu sive parvula et debili sive nxilla. An-tennae superiores basi infeiiorum breviores. 2. ^a^iifro pedes .primos anteunasque similis. Pedesmaris secundi valde subcheliformes, manu grandi. 3. Pedes primi secundique plus minusve subcheh-formes. Antennae superiores basi inferiorum brevi-ores. Maxilhpedes apicem obtusi. 4. Pedes primi secundique plus minusve subcheli-formes. Antennae superiores breviores, basi inforiorumlongiores. Maxilhpedes apicem unguiculati. Talitrus (Latreill
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Keywords: ., bookcentury1800, bookdecade1810, bookidonne, booksubjectcrustacea
