300 WORMS. TESTACEA. 69. Pinna. 
Polymor- — Shell 5-celled ; valves carinate and flattith on the incumbent 
pus fide : beaks obtufe and infle&ed backwards. 
Pall. it. 1. app. m. 85. 
Inhabits the Ruffian pu ; about the fize of 2 plumb- ftone, and is 
found in frefh waters 4 times as large; adheres in mafles to 
ftones and marine fuftances by means of {mall tufts of byflus: 
Srell brown, the divifions of the cells very fhort, 
Caniculatus Shell fmoothifh, chefnut-brown, within parti-coloured : 
focket of the hinge caniculate. 
Inhabits New Zealand. Main univ. conch. 2. tab, 73. 
Relirum, Shell oblong, thin, greeniíh, truncate: beaks fharp and 
carinate; valves gaping at the end. 
Shaw Natur. Mifceil. ix. tab 315. upper figures, 
Patella unguis. Gmelin Syf. Nat. 3710. 2. 95. 
Rumpf. Muf. tab. 4. L. Petiv. Gaz. tab, 32. fig» 9. 
Da coha conch. tab 2. f. 2. Hump. conch. tab. 2. L. 
Favan. concb. 3. tab. 4. fig. Zo. — 
Chemn. Naturf 22. tab. 3. fig. A--E. 
Chemn. conch 10. tab. 72. fig. 1675--1677. 
Inhabits ‘Amboina: -whitifh with a caft of green: upper-ends 
very fharp, forming 4 prominent keel: valves exactly fimilar 
but open at each extremity, - 
Camelliis Shell oblong, thin, greenifh, truncate: beaks fharp and 
TANE carinate ; valves complejely clofed. — —— 7 
Shaw Nat. Mifeel. x. tab. 315. lower figures. - 
Inhabits Fapan, and exaétly reiembles the laft, except in having 
the valves exa&ily clofed. 
69. PINNA. put a Limax; ell bivalve, 
fragile, upright, gaping at one end, and 
furnithed with a byffus or beard : hinge 
without teeth, the valves united into one. 
| Nacre. 
The inhabitants of thefe fhells produce a large quantity of fine 
' frong byflus, which by the Italians is woven into adort of filk : 
the fhells ere gencrally found ftanding erect in the {moother 
waters of bays, wich the larger end a little open: the fifh of 
many of them ‘is a very rich food. 
Rudi. Shell vaulted, with arched fcales arranged in rows. 
Barbut, tab. 32. fig. 1. Lister conch, tab. 37 3- 
2 Adan}, 
a 
