294 
Viridis, 
Rubers 
Albus. 
teri 
* Difcors. 
WORMS, TESTACEA. 68. Mytilus 
Inhabits frefh waters of Europe; refembles the laft but is longer 
and narrower ; about 5 inches long and 22 broad: ffe// very 
thin pellucid, rounded at both ends, greenifh with very fine 
Ítrize parallel with the aperture and a few blackifh wrinkles ; 
within gloffy white blue or yellawifh and fometimes fhining 
with iridefcent colours. à 
Ducks and Crows are extremely fond of this and the laft fpecies : 
crows, when the fhell is too hard for their bills, fly with it to 
a great heighth, drop the fhell on a rock, and pick out the 
meat after the fhell is broken by the fall. 
Shell fmooth ovate membranaceous pellucid, with a termi- 
nal hinge. : ; 
Inhabits Southern Ocean, | Barbut. tab. 31. fig. 10. 
Shell green, very thin, about the fize of a man's nail, 
Shell wrinkled, the valves oblique and dilated in front: 
margin of the hinge equaling the tip. 
Inhabits Southern Ocean. Muf. Lud. Ulr. 543. 2. 139. 
Shel] red minute convex, with a very fhort compreffed tooth in 
the hinge. 
Shell tranfverfely ftriate: beaks gibbous: hinge lateral. 
— Inhabits fhores of Chili. Molin. Chil. p. 177. 
Shell about 6 inches long and 34 broad, covered with a blue fkin, 
under which it is fnowy with a blue tinge; the ///5 is white 
and a very grateful food, 
Shell groved and fcaly behind. 
Inhabits Chili, Molin, Hist. Chili.. po 177. . 
Shell rough Jike a Pinna, lefs than the laft, dull blue: the jf is 
black and not eatable. 
Shell oval horny fubdiaphanous : the extremities ftriate lon- 
gitudinally, the middle tran{verfely. 
Donovan's Brit. Shells. i. tab. 25. 
Herman Naturf. 17. tab. 3. fig. 5—8. 
Born Muf. Caf. Vind. teft. p. 121. ign. 
Chemn. Naturf. 10. tab. 1. fig- 8. 
Chemn. conch. 8. tab. 86. fig. 764—768. 
Schrat Einl. in conch. 3. - 444+ tab, 9. fig. 15. 
Inhabits European and. Southern Seas, affixed to rocks and other 
fhells by its beard: fhe/ {mall brittle femitranfparent, brown 
with fometimes a mixture of green near the edges, within blue- 
ifh with a red or greenifh-white tinge: the outfide is divided 
into 3 compartments, the middle of which is marked with exe 
trémely fine tranfverfely rie: the fish is not eatable, with a 
white foot, fulvous lips, :ed-brown branchie and anterior aper- 
tures, and brown back. 
Hirundos 
