344 CRUSTACEA. 



GrONIOGRAPSUS THUKUJAR, Owen. 



Sandwich Islands ; Feejee Archipelago ; Samoan Islands. 



Length of a female, ten and a half lines ; breadth, thirteen lines ; 

 length of the front, eight lines. Surface nearly smooth. Front bends 

 downward rather abruptly, and becomes nearly vertical. Sides 

 converge somewhat backward. Antero-lateral margin entire. Third 

 joint of the posterior legs with three small teeth at the lower apex. 

 Hand and carpus slightly rugate above, but the outer surface of the 

 hand smooth, with a single raised line near its lower side. Third 

 joint of outer maxillipeds not longer than broad. 



Grapsus Thukujar, Owen, Crust. Blossom, 80, pi. 24, f. 3. 



Pachygrapsus parallelus, Randall, Jour. Acad. Nat. Sci. Philad., viii. 124. 



GONIOGRAPSUS VARIUS ? 



Rio Janeiro ? 



The species here referred, has the front projecting and nearly hori- 

 zontal, as in the varius, and there are two emarginations in the antero- 

 lateral margin. Sides hardly converge backward. Hand smooth 

 outside, and slightly margined above; carpus minutely rugate. 

 Fourth and fifth joints of eight posterior legs sparsely hairy ; third 

 joint of last pair entire and rounded at lower apex. Fourth joint of 

 the outer maxillipeds articulated with third, near middle of summit 

 margin. The specimen is a small one, but five lines broad ; length of 

 front, three lines. 



Grapsus varius, Latreille, Hist. Crust., vi. 67; Edwards, Crust., ii. 88. 



GONIOGRAPSUS SIMPLEX. 



Vario similis. Carapax fere qimdratus, lateribus postice vix convergent 

 tibus, f route paulo declivi, parce sinuoso, margine antero-laterali 



