Hirundos 
Phioadis, 
Striatulus. 
Vulgarise 
Picatus. 
b 
WORMS. TESTACEA. 68. Mytilus. 295 
Shell fmooth ; the valves 2-lobed, lobe at thehinge longer 
and thinner. 
Lifer, tab. 220,224. Barbut. tab. 11, fig. 8. 
Adans feneg. X. tab. 15. fig. 6. 
Argenv. conch, tab, 19. B. Gualt. tef. tab. 94. B. 
Rumpf. Muf. tab. 46.G. Petiv. amb. tab, 19. fig: 9. 
Bonan. recr. 2. fig. 58. Muf. Kirch. 2. f. 57. 
Klein ofr. tab; 8. fig. 13. t. 9. f. 38. 
Knorr. delic Nat. tab. B,iv. yige7. 
Kuorr Vergn. 4, tab. 8. fig. § and Ss f. 10. f. 1, 2. 
Chemn. conch. 8. tab. 81. fig. 222—725. ; 
2. Chemn. conch, 8. tab. 81. fig. 726, 
3. Chemn. conch. 8. tab, 81, fig. 727. - 
4, Gualt, test. tab. 94. A. Knorr. Verga. 6. tab. 27 
Chemn. conch. 8, tab. 81. fig. 728. 
5. Adans feneg, 1. tab. Ys. fig. S. 
6. Chemn. conch. 1o. tab. 171. figs 1672. 
Inhabits the Indian American Mediterranean and Atlantic Seas, in 
great varieties of fize thicknefs form colour and nyarkings: 
frell contracted at the bafe, with very fine and crowded traní- 
verfe wrinkles; within pearly. d 
Sheli oblong, more obtufe on the fore-part, rough with 
tranfverfe wrinkles. - ‘ 
It. Wgotb. tab. 5. fig. 22. 
Mull. Zool. Dan. 3. p. 11. tab. 87. figs 1—3. 
Chemn. conch. 8. tab 82. fig. 735. 
Inhabits the North Seas. and penetrates beds of Coral and rocks 
like the Phloas: about 12 inch long and 1% broad: the ends 
not quite clofed: Ainge without teeth, or with a very {mall 
one; 
Shell very finely ftriate; the hinge terminal and r-toothed, 
Born Muf. Caf. Vind. teft. tab. 7. fig. 5? 
Chemn, conch, 8. tab. 83. figs 744. ay be 
Schret. Einl. in conch. 3. t. 9. f. 10. | 
Inhabits the Northern and Indian Seas; 1% inch long and 12 
broad : she// femilunar, dilated on the fore-part, fubdiaphanousy 
chefnut: the margin very finely crenate outwardly. 
Shell flattifh on one fide and infle&ed, with convergent in- 
curved beaks: hinge t-toothed. 
Chemn. conch, 8. tabs 82. fig. 732. 
Inhabits the American Ocean: within pale clay-colour covered 
* with a brown coat or fkin. 
Shell rhombic inequilateral, tranfverfely ftriate and wrinke 
led: beaks incurved, 
Chem, 
