332 



.1. A'. Vi-rrill 



Ci-iisliK-i-n <>f /.'( rtniiil'i. 



Plagusia depressa (Fabr.) Say. 



Ciiin-n- tlr/n-rssii.-i Fabr.. F.lit. Syst.. Supl.. p. lOfi. 1 ; ?.Y 



Plagusia Sayi DeKay. N. York Fauna, p. Hi. Stimpson. Not.-- on N. Aim-r. 

 Crnst.. i. p. is |'''1|: ii- P- "" |- : >'-'l. 



I'hii/i'.-iin ilf/irexsii Say. .Joiirii. A-ad. Nat. Sri. I'hil.-'d.. i. p. Kill. 1*1 I. 

 Rathbuu. Deo. Crust. W. Afri.-a. p. '*! idi-tributioni. IJ.--iilt-.nt' P.rann. r 

 Agassiz Exp.-'l. t.. Hraxil. Mining. S,,r. \Vasli.. ii. p. P'.s. p.inn : Prai-li. and 



.Marr. Porto Kiro. p. I'.i, P.ioi. \.-rrill. these Trans., vol. i, p. 575, P 



Benedict. Notice Crust. W. Atri.-a. p. .Vis. is'.i:;. 



/'/(/[/if.s-/,/ .t 1,1,1, noun Dana ftOH F.dw.). Slim]>so|i. Cril-t. N. 1'aritir K\.,|. 

 Exj).. Smithsonian Mi-.-. Coll.. \li\ . p. 1 .'.'. P.m;. 



FlGfiiK !. Pi. VTK X. l-'i..i KK 1. 



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

 remarkable for its shync-s and aoilit y. Il< color-. \\ hidi arc variable, 

 arc evidently protective, and by no mean- c,>n-j.iciioii.s \\hcii 



' * 



Figure 9. Plcujiisin <!</,, -c.^ii, carapac:e and chelae of adult male, about nat. size. 

 Phot. A. H. Verrill. 



among the rough and stained shore ledges where it usually li\-. 

 It is much less conspicuous than Grnpsns ;//<'/<*>/*, 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. 



