"2")- NKW (iKNKKA ANh si'lUll.S OK ("U'AHS — U' A'llilUIN. 



Opisthopus tianavrisiis. 



C:irapnoo transsvcMso, convt'x, lliiii, but not soft and yiol(linp:as in Pin 

 notlnrcs, angles voiiiulctl, l-'ront tlcllfxod, ahnost slraii;lit wIm'm simmi 

 from al)t>v»\ willi a sli^lil niiMlian snlcns, AlMlt)Mi<Mi of male narn»\v al 

 hasc. (U'taoasiii^- it\i;iilarl\ in widlli lo llu» s(>\ imiI li joint, wiiicli is sub 

 »|uadiilal(Mal : abdonnai ol" ItMiiah' \(MV wid*' and lon^, almost covcrinu' 

 tlu' niaxillipcds. AnliMiunlu' well dcNclopcd, lod^t'd in dci'p, diauonal 

 fossa'. l']\lorioi' nniNillipods w iili tlio isdiinni strong', Inoad ; tlio intans 

 as broad as lonii", with t itc antrio t'xbMiial anule broadly roninbMl; tlic 

 palpns lai'u*'; (lie nit iniato join I nairow, in\ t'rsciv spat n la U'. o\ (Micatli 

 in_u" tlio ponnUiniati' joint. (Mu-lipods niilior stont : nnans broad, hi 

 hcihal; pabn a btth' lonucr than tlio lin^tMs, tiiirk, sli^lilly comprossod, 

 margins ronndcd, lowcf niaruin fon\o\. Ambnlaltuy Iciis similar in 

 iharai'loi'; joints ralinM broad, except tiu> tlaetyls, wldcii arc cnrx cd and 

 small, a little m(»re than ball' the lenulli of the propitdal joints: seeund 

 pair of K\>;s the lonut'st, I'oni th pair tlu> slutriest, rcaihino nii<l\\a_\ of 

 tbe pi'opodal joint of the preeedin^' pair. 



Monterey, California ; Dr. .1. .V. Canlield (.">ll(>); twonniles ;ind two 

 females, the leniales nincli larjier Mian the males. 



Point boma, Calilbrnia ; T. S. I'lsli Commission steanu-r Allxihoss, 

 dannary -S, 1SS!»; one female with ejiii's (174S1). 



Witlth of tV'male. ^Monterey, IS; leniitli, II millimeters. Widtliofle 

 male. Point Loma, l.>; len.ulli. 11 millimeters: width of male. 1».S: leiiuth, 

 S..~» millimeteis. 



The front, appendaji'es, anterior marjiin of the sternnm. and (he ab 

 domen of the fenmle, :ir»» frinu'ed with hair. One female with euj^s, from 

 I\lonlere>, is entirely eo\ cred with a sluul. dense sjjon.iie ii'vowt h. The 

 smallest male was Ibnnd in the folds of Lmaphm vvcnuhidi iSowerby. 



ramily CA LA IMM 1 ).K. 



lSnbfamil\ Cai.aim'in .K. 



Muisia hawaiieiisis. 



Cara])aee transverse, very convex in both «lirections, cfrannlate, the 

 grannies beeonunij" smaller on tlu' tnbercles. which ari' arranged in live 

 more or less longitudinal rows, t)ne of which is in the median line; hit 

 eral mari;ins «>,ranulati>, the antero l!iter:d also erenulate; lateral spine 

 very short; carapace widest not at the base of the lateral spine, but iu 

 advance of that point: at eaeh extiiMnity of the posterior marjiin there 

 is a Ihittened obtuse tooth : and nndw:iy between a faint piojection or 

 convexity of the marjiin. Prontal marjiin little prtulnccd. Irian.iinlar, 

 with three small teeth, the median mor«> prodnci'd and depi't\sst>d than 

 the others. Orbits with a closed tissnre abo\ c. ;ind a deep ronnd«'d 

 hiatus benealh: inner subocniar lobe Irianiiular: e,\ cson al, largv, short- 



