WORMS. TESTACEA. 68. Mytilus. 297 
[774 conch. 8. tab. 84. fig. 753... 
Inhabits Shell minute, yellowifh with à mixture of green, 
within a little filvery. 
Faba.. Shell oval rufous ftriate; with a crenulate margin. 
Chemn, conch. 8. tab. 85. fig. 761. 
Inhabits the feas of Greenland, affixed to rocks by a bronzed 
byffus ot beard, and is the food of the Anas hyemalis and hifs 
trionica: jhel/ inflated femipellucid fmooth, covered with a 
brown skin under which it is white and marfaritaccous 
within, 
Pluviatilis. Shell thin flightly wedged; within reddifli; beaks recurved 
! and large. 
| Lster conch. tab. 157. fig. 12. Met 
Inhabits frefh waters of Europei refertibles M. anatinus, and is 
probably not a diftinct fpecies. 
fuu. ^. Shell oblong narrow with very fine tfánfverfe ftri: one 
fide emarginate, the other rounded: beaks prominent 
curved. 
Lifter conch. tab. 359. fig. 197. 
Jnhabits——S4ef/ minute brown. 
Mammz- Shell broad fhort and. rounded behind: beaks conic protu- 
Dua = berant. SAN 
Inhabits——Liffer conch. tab. 361. fig. 199. b. 
Klein Oftr. tab. 9. sigs 27. p. 129. 
Perficews. Shell broad and covered with a rough ruggéd yellow coat; 
: within milky. 
 Bonan. rec. and. Mf. kirch. 2. fig. 17. 
Inhabits thé Perfiaz Sea; thrice as broad as it is long? 
Piduss Shell broad very fmooth, flammeous or rofe-colour with 
white bands; beaks obtufe. | 
Bonan. recr, 2. fig. 35- Muf. Kirch. 2. fig. 34. 
Inhabits Portugal; thrice as broad as it is long. 
Shell pellucid fhining, blueifh with a claret-colour and pale 
red band. 
| Bonan. recr. 3. fig. 352. Muf. Kirch, 2. f. 106. 
Inhabits Braj, twice as broad as it is long. 
Faftiatu:s 
Maza; Shell broad and rounded at both ends, claret-colour with 
undulate blueith and greenith ftria : margin ferrate. 
Inhabits the Portugueje Sea; longer than M. pictus. 
" VOL, IV. —P p Pur- 
