M PBOCEKDI376& I IHI ACADKHY JJ _ "res LI :-':;: ; " -:::.-. .-: ::s \ \ .i postice. zona, fuiva notatis !.::::; :orreapoad less than the description with the ; :*!;_ :f yzzz'.a.iz .: :he ".'zree ;ie.i:r_e::s :: _" i .:::; -'.:.. .: .'.i.j ill i-:. i r-5 :..t: :hi= -::-; " P. aibo-wtmada:z. i : : t . . : : . . . t . -. : . . . t . : z 7 : i . 1: : : a : r* ? : r~7* 5 .7.. : -7.7 :-r-lar. very :':*..: ~e s:~ez. a: : :~:_:essei s~ :::i p:.i;"_ei. with a few obsolete ribs at each eud, and : -the Maes growth : beaks sm%U, pro sine rt, aearij ry much in ad van :" the centre, anterior end short, regular..-; .:'-: end produced, somewhat --;:.-_-. i-zir-iig sro: iz i :".:::\ies ~r:i a .: .--. Internally polished, of a reddish-brow a id ed. with some patches of yellow. aad a Utile white, with obscure ribs -7 jme more conspicuous near :_t :_..-;-irer.z. ::zz -Zz e::::; .:_-.-. Length 0*78 in., breadth 0-7 in. This is a very pretty shell, mach mo: reason a little thic^: stronger thar: TyriomL" Taken from the stomachs of fish off Charle-bar. Many imperfect specimens were obtaine 1 the gastric fln 5 see zi to act readily upon it and remove the polish aad co". : were still held together by the ligament, wh-n tfcr s :f the shell was i'._i:i: ies:::yei. I: is ~:re :':.::;e :_:.-L j---,. Ltth:: :kt Shell thin, fragile, white; from about the middle to the end covered -with a thin calcareous coat : from this to the posterior end quite white. Beaks very near the anterior end. bnt not terminal ; posterior end produced, much elongated, terminating in a narrow projection oc each valve from the doable margin on one valve and from the basal margin on the oti era : arranged that when the shell is closed, these projections sross each othes ibling .:me-what the claw of a crab. Anterior end round, aad when the shell is dost -indrical from the anterior end as far as an angle :z tie dorsal me. rg just posterior to the te riaination of the ligament : from this point gradually to the end of the shell proper, where the projections are formed c i \ . z -' "-:iei.::-7 .i:_--._er cel;.w. Witfiin light, salmon color, shining and iridescent, the projecting points ire -::.:-.--.:-. This interesting shell was fonnd imbedded in a mass of coral drawn up b y zi'z.zz '..--.'.:-.~ :-=: '-:'s:zi-hiz-L-: :f z-.-'.-i-.z :.\z 1-r :"-.: -:-= .ze:e waa quite a colony of them in the thicker part of the cor . em small. about i inch : the'te.: gesl :imen removed was about l\ inch. The shell was evmpletelv imbedded in a cavity of its exact form, only a little larger, quite smooth within, communicating with the exterior by a small, 3hort, open tube, through which the white points protruded. Upon breaking open the ..7. the shell was found attached by a l-z:-y.i :i :'-e S--f*----::' PZECI5^ iv r::i : se .-:::. -: -:-=: ' ^ p ~ ' '--= " ; " ' :::zz-z, z-.-:^-: z-z.,:-: :::ae :.-: .:,-.-:, -.,: :: '---^.era -z . scenes olLabract*. It was originally prepared for EL Snaps forthcoming report of bis Explorations across the continent in the yea: --
BioStor
