332 



A. E. Verrill — Decapod Crustacea of Bermuda. 



Plagusia depressa (Fabr.) Say. 



Cancer depressus Fabr., Ent. Syst., Supl., p. 406, 1775. 



Plagusia Sayi DeKay, N. York Fauna, p. 16. Stimpson, Notes on N. Amer. 

 Crust., i, p. 18 [64]; ii, p. 104 [232]. 



Plagusia depressa Say, Journ. Acad. Nat. Sci. Philad., i, p. 100, 1817. 

 Eatlibun, Dec. Crust. W. Africa, p. 281 (distribution). Results of Branner- 

 Agassiz Exped. to Brazil, Biolog. Soc. Wash., ii, p. 138, 1900; Brach. and 

 Macr. Porto Rico, p. 19, 1901. Verrill, these Trans., vol. x, p. 575, 1900. 

 Benedict, Notice Crust. W. Africa, p. 538, 1893. 



Plagusia squamosa Dana {non Edw.). Stimpson. Crust. N. Pacific Expl. 

 Exp., Smithsonian Misc. Coll., xliv, p. 122, 1907. 



Figure 9. Pla.te X. Figure 1. 



When full grown this is a large and handsomely colored crab, 

 remarkable for its shyness and agilit3\ Its colors, which are variable, 

 are evidently protective, and by no means conspicuous when resting 



Figure 9. — Plagusia depressa, carapace and chelae of adult male, about nat. size. 

 Phot. A. H. Verrill. 



among the rough and stained shore ledges where it usually lives. 

 It is much less conspicuous than Grapsus grapsus, which lives in 

 similar situations. 



Some large specimens had a grayish or yellowish ground color, 

 mottled and spotted with brown and red ; the spots are often bright. 



