204 WORMS. TESTACEA. 59. Cajrdiun*. 



Chemn. conch. 6. tab. 17.7%. 179. 



3. Gualt. Tefit. tab. 17, fig. H. 



Born. Muf. Caf. Find. teft. tab. 3. fig. io. 

 Chemn, couch. 6. tab. 17. fig, 180, 



4. Martyn Univ. Concho/. 2. tab. 80. 



Inhabits America and /«<#*; fhcll ferrate on the margin, with 

 20—30 grooves tranfverfely wrinkled; yel'lowifh, within 

 white: 2) ochraceous with tawny foots: 3) cinereous 

 with blackilh fpots. 



Flavum. 



Shell fubovate, grooved, the anterior margin rough, the 

 pofterior one toothed. 

 Bonan. recr. 2, fig. 72. Muf. Kirch. 2. fi 79, 

 Schrcet. Einl. in <oncS. 2. tab, 7, fi 1 1, a, b. ' 



2. Knorr Vergn. 6, tab. 3. fi. £, 



3. Gualt-. tefit. tab. 71, fi. G. 



4. Bonan recr. 2. fi. 89, Muf Kirch. 24 fi, %j. 



5. Rumpfi. Mufi. tab, 44, fig. E. 

 /V//>z/ Amb. aq. 29. /«^. 8, fig. 3, 



Inhabits 7^/^ .• the back and hind-part generally yellow and 

 fometime$ fpottcd, the reft and infuie white: ribs about 27, 

 convex, the 5 or 6 anterior ones with fharp fpines, 12—13 

 hind-ones with flat tubercles*, the others fmooth. 



*L<rviga» Shell obovate, with obfolete longitudina} flriae and a few 

 tuvt. tranfverfe ones concealed by a thin cuticle. 



Donovan s Britijh Shells, ii. tab. 54, 

 Pennant Brit. Zool iv. tab. $i>fiig 40. 

 Lift, conch, tab. 332. Gualt. tefit. tab. 82, A. 

 Knorr Vergn. 2. tab. 20, fi. 4, 5. t. 10, fi. 7. 

 Chemn. conch. 6. tab. 1 8, fiig. I 89. 



2 . Kcemmer conch, tab, 1 2, ^ . 4 ? 



J, Marty n univerf. Conchol. 2. tab. 79. 



Inhabits European and American feas; refernbles the lad : above 

 2 inches long and nearly 2 broad : the margin ferrate within: 

 varioufly coloured and marked, but generally of a deep brown 

 fulphui orange cr red, fometimes fpotted and fometimes mark* 

 ed witji tranfverfe b^nds. 



Serratum. Shell obovate* fmooth, with obfolete flria? ; the interior 

 margin ferrate. 

 Chemn. conch* 6. tab. I 8. f. 185, 186. 



Inhabits Mediterranean and hdian feas; lefs than C* tavigatum, 

 and not fo convex 1 yellow ; the exterior margin crenulatej 



beaks regular. 



• ■ • # Edulu 



