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: - - 



