376 -1. A'. \'<>ri-ill- I>i'<-<i/'"<l Crustacea <-/' /.'<//////>/</. 



Portunvis Sayi .!ilil>.-i Katldmn. 



/>,/, n/ims Im-r. lli-t. ii.-i.t. des Crust., p. -M!i. pi. \. ti_- :;. 



ir /,!/, i,jicn S;iv. .I.nir. Arad. Nat. Sri. 1'hilad. i. p.'.*;. 1^17. DrKav. 



Nat. Hist. N'r\\- Ynrk, Croat., p. 11. pi. vi. li^. v 1MI iy./i Linn, spec., / 

 Fabr.). 



/,n/,i/ .SVM// (iilib.-s. I'r.ir. Anirr. A.88OC. \dv. Sri.. :!d ....... tin-. |.. I >. 



Dana. I', s. EAJ.I. Exped. Crust., ]>. '.'T::. i'l. x\i, ug. 8, 1852 stim 

 Proc. Acad. Nat. s,-i. I'hila.l.. is;,s. ,, :> 



<"/'' Stiiiipvnn. Ann. Lye. Nai Ili-t Nr\v Vm-k. \ii. |>. ''. 

 ; Hull. 'tin Mu- Comp. Zool., i, \>. 117. 1^7n. A. Milii.--Kil\v.. N..IIV. 

 \r,'h. du Mus. ,rili-t. Nat., x. p. :;i;. pi. \\i\. Ogs. 2, 2a, .''-. IH;I. Smith 



and Har^'T. Iran- ('.mil. Ac'ad.. iii, p. 'Ji',. |^;i Kin^slrv. I'm,-. A.-ad. 



Xat. Sri. I'hilnd.. 1878, p. 319, L878; op. eit., f..r is7'.t. p. 898 \. SI.-Edw., 

 Mi- Sci. Mex., v, p. 210, 1879. Smith, these Trans., T, p. r.'l. L879 



Port H,I us S!/i' M. -I. Katldmn. I'.nll. l.al.r. Nat. Ili-t. I'nix. |..\v;i. p. 276, 



ISM- ; \nirr. Nat . \\xiv. ],. 1 Id. I'.MIU. 

 .* \i'/ilii,<>'x litititninx \V. Sli.iir. in llrilprin'- I'.rrm. 1.. ]>. l!7i-Mi/i l.inn : -p i. 



Ki(;rHi. .:>. Pi. ATI: XVIII. PlOtmi 1. I'I.MI XXI. KI..IKK 1. 



'I'liis li;i- llu- aiitci-'mr ambulatory lfL;s Inn^rr, Mini ilfi-'nlcdly inure 

 and friniri'd nmri- >t nuiLrlv \vit li l(tn; liairs <>n 



Figure 0."). Port v,i a. f ,s'"(//. ' , nat. size. Drawing by J. H. Emerton. from 

 nature. 



joints than any other of our allied sjn-cic-, ami its swimming 

 are long and thick, in accordance with its more strictly oceanic 

 habits. The inerns and carpal joints of the swimming legs, also, are 

 smooth, ovate, and thickened, and the l>asal joints are longer thali 

 usual. It is an active swimmer. The caraj>ace is smoother than in 

 the other Bermuda species. In addition to the.-e characters, it has, 

 as other diagnostic characters, four small, but nearly equally promi- 

 nent and regular frontal teeth; the inner ones rather smaller and 



