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411 



OSTREA 



Undulata & 



dnaji 



The fmaller pronged and undulated Mangrfrue Oyfi 



Thefe forts are frequent in mod parts of Amer't 



d very little infe 



Europ 



.yft 



either in fl 



delicacy j but they are feld 



icr to the 

 fo larse as 



the fmalleft of thofe that are fold in the markets of London 



GLYCYMERIS 1. Subrotunda, tejid tenuiffimd fubcitrind. 



The yellow Onion-peel Oyfter. See D'arg. t. 22. Lift. 47. & 



Bon. CI. 2. 56. 



r*a * 



This genus is diftinguimed by the hole in the centre of the under tiklvt 

 (hells of all the fpecies are very thin and delicate. 



the 



The Mufcle comes next in rank ; it is of an oblong form, like the oyfter, but 

 ' deeper on both (ides, and not fo fpreading at the wider end. The (hells of this ge- 

 nus are generally fmooth, and connected by a ligament that runs obliquely from the 

 point towards one of the fides. 



MITULUS 1. Mucronatus major carulefcens. 



The larger blue Mufele. Sec D'arg. t. 25. C. Lift. 19 8. 



MITULUS 2. Subrhombeus van'egatus, limbo ultra apicem porreclo. 



The Tulip Mufcle. See Lift. 199. 



The Peciens come next to thefe, and are eafily diftinguiihed, 1. by the furrows 

 running directly from the point or apex to every part of the circumference; 

 2. by their cavities, which are generally formed by the hollow of one of the (hells, 



the other beinsr quite flat ; and 3 . by the ears, with which they are always ad- 



t> 



orned on one or both (ides of the point. 



PECTEN 1. Major fubcinereus, valvuld altera plana & tranfoerfe fubflriatd. 



The large brown PeEien. 



PECTEN 2. Nebula tus minor, valvuld altera plana. 



The clouded PeEien. 



- 



PECTEN 3. Subfufcus maculatus, valuta altera plana. 



The fpotted light-brown PeEien. 



PECTEN 4. Subcroceus oblongus uniauritus minor. 



The fmall one-eared PeEien. 



PECTEN 5. Albus minor, uniauritus. 



The fmall white one-eared PeEien. 



PECTEN 6. Albidus aut fubvariegatus utrinque turgidus. Tab. 40. f. 



The white PeEien with both valves hollow. 



PECTEN 7. Ruber, aid alterd longiori 



at 



The red PeEien. 



PECTEN 8. Rubellus variegatus utrinque turgidus, alls minoribus. 



The fmall oblong PeEien with red ftreaks. 



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