256 WORMS. TESTACEA. 62. Arca. 
PeGunculus Shell lenticular, flightly eared; with flightly imbricate/ 
grooves: the margin plaited 
Lifter conch. tab, 239 f. 73. Barbut, t.7.f 4& 
Bonan Muy. K:rch. 2. fig. 129. Gualt, test. tad. 72, H. 
Knorr Vergn. 5. tab.12 figs 4. 
Martin Bech. Naturf. 3. tab. 6. fiz. 3, 4. 
Chema. conch. 7. tab. 5%. fig. 508, 569. : 
Inhabits the American Ocean and Red Sea: flattifh, 14 inch long 
: and fomething broader; white with fcattered brown fpots 
which are fometimes :eflelate, within brown fometimes mixed § 
with white: grooves 16—20: hinge arched, 
PeGinata. Shell lenticular, without ears, with longitudinal fmooth 
ftriz. 
Chemn. conch. 7. tab, 58. f. $70. t. 1, 20 f. 571. 
2. Lifter Conch. tab. 239. f. 81. Kkin oftr. tab. 10. fig. 4i. 
Inhabits the American Ocean; acfembles the laft, but is lefs and 
more convex: brown, chefnut or pale yellow, fpotted, cloud- 
ed or waved ; within brownifh or white. 
*Glycyme- Shell fuborbicular, gibbous and faintly ftriate tranfverfely. 
rise Donovan's Brit. fhells, i. tab. 37. 
Pennant Brit. Zo:l iv. tab. 58, sig. 53. 
Da Cofta Brit. Conch. tab 11, Fig. 22. 
Lister conch. tab. 247, Barbut,t.7, f. $s 
Adanf, Senege 1. tab, 18. fig. 10. 
Gualt. tef, tab. 82. fig. C, D. 
Knorr Vergn. 1. tab. 21. fig. 4, and 6. te A4. f. 36 
Chemn, conch, 7. tab 57: fig. 564. 
Inhabits Mediterranean, European and Indian feas. 
Shell 2—4 inches in diameter: Ainge arched: colour genetally 
whitifh, with ferruginous zigzag lines or marks, fometimes 
reddifh or yellowifh, fometimes fpotted, clouded or undulates 
Pilof:. Shell fuborbicular, equilateral, hairy. 
Lister conch. tab. 240. Gualt. tefl. 1. 73. A. 
Bonan. recr. 2. fig. 80. Muf. Kirch. 2. f: 79. 
Knorr Vergn. 2. tab. 23. f. 6. & 6, t. 12. fe 4s 
Martin Befch, Naturf. 3. tab. 6. f. 1. 
Chema, conch. 7. tab. $7. fig. 565, 56€. 
2. Beonan.recr. 2. pig. 78. Muf, Kirch, 2. f. 77. 
3. Lister conch. tab 246. fig.811 
Born Muf, Caf. Vind. tell, tab. 6, 7. 1, a, b. 
4. Bonan. Muf. Kircb. 2. fig. 131? 
Inhabits Mediterranean, Afiattc and American feas : 2} inches long, 
2i broad: brown, within white and fometimes fpotted wirh 
brown, covered with a villous skin : the perpendicular ftrix 
oblique and confpicuous within, croffed by tran{verfe ic ah 
AN Jm. 
