4& Genus It Mytilus. 



ipecies, we conclude that the young fry, having attained to a propel 

 fize, have burft from their confinement to range at large. _ It 1$ 

 prefumed, that moft fpecies cf the marine and terreftrial univalve 

 Shells are produced from eggs, but that thofe of frefli water are 

 generally brought forth alive. ' 



775. An affemblage-of long tubular ova of fome lliell fiih, but 

 of another fpecies. • 



775 *. A lingular horny operculum of a fea mm, but un- 

 known of what fpecies. 



Division IL — Bivalve — Bivalves, ou Double Coquilles 

 — Bivalves, or Double Shells. 



776 



Genus L PINNA— Ail e— IBtafc.'FiK, 



IGRICANS— La Noire— Black— Otaheite, &c— Rare- 

 Pinna Nigricans Soland. 



777. Perna — Le Jambon — Ham — Mediterranean. 



778. Nobilis — La Noble — Noble — Mediterranean — Pinna No- 

 bilis Linn, 



779. Rigida — La Raboteufe — Rough — Guinea? — Pinna Ri- 

 gida Soland. 



Genus II. MYTILUS—Moule— Mussel. 



7S0. Dubius — La Douteufe — Doubtful — Amboyna — Patelh 

 Unguis Linn. Mytiius Lingua Soland. Extremely fcarce. 



781. Arborarins — L'Arbre — Mangrove, or Tree — Weft Indies. 



782. Fornicatus — LaVoutee — Vaulted — China — Mytiius Bilo- 

 cularis Linn. 



783. Edulis — La Commune — Eatable, or Common— Normandy 

 Mytiius Edulis Linn. 



784. Perna — Le Jambon— Ham — Portugal — Mytiius Perna So- 

 land. See alfo fpecies 1042. 



78$. Magellanicus— La Magellanique — Magellanic — Straits of 

 Magellan — Rare. 



786. Peruvianus — La Peruvienne — Peruvian — Peru — Extremely 

 fcarce. 



787. Pictus — a. Uncoated and polifhed — La Peinte — Painted- 

 Mediterranean — Mytiius Pictus Soland. 



788. Elongatus — a. Uncoated and polifhed — La Longue — Long 

 . Barbary — Mytiius Elongatus Soland. 



789. Viridis — -a. Partly uncoated; b. wholly uncoated — La 

 Verte — Gxeen or Opal — China — Mytiius Ungulatus Linn. 



2 790. Pur* 



