^"iK'j'i!' I l'li<M'l':i;i)lN()S ol'' I'lll'i NATION. \I. MIJ.Sl'iUM. 2.^)7 



Raiidallia diBtiiicta. 



( 'iir;ip;u'<^ sli^litJy loiij^cr lli;iii Itiojid, (tibiciiliir, <'(»mv('\ ; sulci drliii- 

 iiij;' the rcj^ioiis disl iiK-l ; iiiilcio l!il<'i;il iiiiirj;iri bcliiiid (lie li('|i;i.lic, r(!j;i()ii 

 sli^i'lilly iiMlriircd ; <'iilii«', stirr;ic(' m;tiiiil;i((', (lie, niJiiiiih'S Viiryiiij; ill 

 si/c, liiij^cr pnslciiorly, soiiunvlKil, cliislcrcMl on I lie iii:ir;;iiiK; (liitT, 

 jU^niiiiiliilcd tiilx'i'clcs on I lie. iinir^iii of (<li(>. :inti'i'ior porlioii of (lie. 

 I)i':iii('lii:i I I'c^^jon; one on I lie poslciior portion; posfnior iii:u';;iii:il 

 tt't'lli sloiil, I ii;in,i;iiliir; on Mie. inlcslinid rc^^ion (Jicic. is w. slioil ic 

 ciiivcd spine; licpiilic, rcj^ioii willionl, ;i. ( iiIxmcIc; pl.c.ry^^osroniiiin 

 i'(>^;ion willi :i. Inini liihriclc. Alxlonicn of ininmhirc ri'iinilc, willi 

 fonrlli, lillli, and sixlli sc^^nu'iHs coah'srcd, (lie, seel ions disliiicl, liow 

 ever, as in llic yoiiiii; oi' onuifa. Itosl.rnin (avo lohcd, I lie, lolics lii;;li 

 and lid^rd above; nicdian groove (Uh^ht lliaii in onudd. ()rl»il willi 

 two lissnrcs above, willi an infci'vcnin;; lolie, one lissiire, helow, 

 and :iii inner liiaiiis. liasai anlcnniilar Joinl> roriiiin^' an ope.reiilnin 

 wliieli ]>arlly eloses I lie lossji; liasal aiilciinal Joinr lar;;er lliaii (lie 

 following' joints, l)nl> not reaeliin^' tii('> IVoiii. 1'lie anterior iiiar;^iii of 

 the biie«;al cavity docs not tbrin the, lower wall ol" (he orl>i(,. The max 

 illijieds do iio( cover the whole- of the hiiceal cavity as in onuiUi. and 

 {/r(iniil((lH, Init hsave an oval opciiiiii^' at, tlui extreinity oCdie exo;;naih; 

 ciido^iiath lon;i;itiidinaily ri<l^('(l; ischiiiiii loii;;cr than I he iiierus, with 

 sinootJi inner inai'^'in ; iiieriis obli(|iiely truncated ai distal extreinity, 

 almost I riaiii;iilar; cxoj^iiath nearly strai.uht on (he outer margin, 

 extremity roiinde<l, not rcjichin;; (he end oC t he eiid(»^iiaHi. <!lielipeds 

 ill the t'einale nearly Iwicc, as lon^' as t,lie <'arapa,ce, slender, ^raiiiilal,e; 

 iiicriis cylindrical with j^^raiiiiles spiny; hands narrow, sli^^ht ly com 

 j)r(!sse(l, ma.r;;ins siibpariillel ; (infers ri<lj;('d, inner inarj;iiis iineven, no 

 pipe. iVmbiilatory le^s slender, granulate; dact>ls hairy. 



Len^^th, L'0.5 ; wid(li, L'O; h-iii^di oCchcliped, about l<> iiiillime(e,rs. 



(Xr (he Saii(hvi(!li Islands, la(. L'l' I'J' N., Ion;;. 157' l!>' VV,, LM)r> 

 l'a(,lioiiis, (ine wlii(c. sand, staJioii .'MTLJ; IJ. S. l''isli ('oiiimissioii sleainer 

 Alhalrosa, 181) I ; one imiiial lire Cciiijile- (ITnKi). 



Nursia tuberculata. ^ 



(^anijiaee with ]»ost<'iior two thirds very convex, densely sot with cir- 

 <'iilar tubercles, many ol" which are larj^e, the space between them 

 tilled with smaller (iibcrclcH or ;4raiiiiles of (he same character; a, nn', 

 diaii ridfjc extends backward from the frontal rej;ioii (o the <'ardiac, 

 region; intesdnal reyioii willi a coiincx poslerior pr(i;iec( ion somewhat 

 bilobed. Antero laleral iniirj;in with a. slight eonv<'.xi(y a( the hepatic 

 f•(^^ion, '.i broad lobe oostcrior to it, followed by a denticle at, the latenil 

 an^h;. Posterolateral margin tiiber<',iila(c and slij;h(,ly ('.onvi'-x for i(s 

 anterior half, eon<;ave Ibr i(s posteri()r half, the iidcrvcniiif;" aiif^le 

 marked by a. (hmliele. There is also a snbhepalic deidicle. l*'roiit 

 truncate with i^, narrow itiediiin no(cli. Malc/ abdomen broad, willi the 

 fllild to the linii sej^ineiits eoale.svC'Uj ])emil(iiiiatc fie^iiieiit witll JV 

 Troe. N, M. Ii;^ 17 



