i 244 ] 
£0 the bottom, in a very oblique angle. 
I'iie bottom is fmuous or waved. The 
margins are plain. 
Infide, white and fmootli, but not glofly,. 
The beaks are turned quite inwards, and 
have a very broad fmooth edge,, which 
folds on the back. In the cavity under the 
beaks rifes along,, broad, flat curved tooth 
or JpUTy very remarkable, and about half 
an inch long. The margins are plain.. 
It is a trivalve Jhell, having a fmall 
valve on the hinge.. 
This Jfecies is found in great abundance 
on many of our fhores, nitched or bur- 
rowed in rocks and ftones, as Cornwall^ 
Lincolnjhirei, TorkJhirCy Wales, &c. 
très oblique. Le ba^ efl: finuenx ou onde» 
Les bords font unis. 
Le dedans, blanc & liflTe, mais point 
luftré. Les becs font entièrement retrouflos 
en dedans, & ont un bord très large &: 
liflfe, qui fe replie fur le dos. Dans la ca- 
vité au defîbus des becs s’eleve une dent 
©U Long, large, plat & courbe, très 
remaj^quable, & environ un demi, pouce 
en longueur.. Les bords font unis. 
C’efl; une coquille trivalve, ayant une pe- 
tite valve à la charnière,. 
Gette ejpece fe trouve en grande abon- 
dance fur plufieurs de nos cotes, enfevelie 
©U nichée dans les rochers ou pierres, 
comme aux comtés àç. Cornwall, Lincoln.:^ 
Tork, la principauté de Gslles, &c. 
LXV. LXV. 
P. MuR.ICATUS. PrICK-LY.. PL XVL fig. 2. 2.- 
Tab..XVL fig. 2. 2. 
Fholas angujiius.jlriatus iâ veluîi aculeatus.. Mmicatus,. Tab. ïb.. fig. 2. 2.. 
Pholas roftratus major diepenfis vulgo Gallice Piteau didius.. App; H. An. AngL in? 
Goedart.. p^ 37. tab, 2. fig. 3. — Pholas Jiriatus, finuatus ex altera -^arte>. Hrfl:. Conch., 
tab. 433. fig. 276. — Pholns alt e Jiriatus,, ex altera farte fmuatus,., eadem mucronatus,, Hiji^. 
nojl. Conch.. Anglice Piddocks,, Gallice Pitau',. earumque fifeatores ■piiaua^ieres Exercit.. 
Anat. 3. p. 88. tab. 7.-fi.g..i..2. 
Pholas angujiius-, Img Pierce Jione or Pholade.. Petiv. Gaz. tab..79; fig., 10,:: — Piddocksi,^ 
Dale Harw. p. 389:. Borlafe Cornw. p. 2.78'. tab. 28.^ fig.. 31. Wallis Northumb.. 
p. 398. No. 2X. Rutty Dublin, p- 3 8 8.: — Pholas daPi^lm, Dablyle,. Penn. Brit, ZooL. 
No. 10.. tab. 39. fig.-io.. 
Ballano 0 fkolades,. Buon..Ricr.. p; i'57.. fi-gr 26* 27. — Reaumur fur les Dails. Acad. de- 
Paris, 1712. — Pholas major Jiriis eancellatis exafperata, fubalbida. Gualt. I. Conch., 
tab.. 105. fig.- A...B..C..D.- — DÆylus. tejla cblonga hîne reticulato-Jlriata,. 'Lin,.S..N<.. 
p. i.iLQ. No. 20, F. Suec,.IL.No.-2i24.. 
The- 
