24 & 
WORMS. TESTACEA. 64. Chama. 
Simhfhicu* Shell fuborbicular, coinprcfTed, coarfc, with tkcuflafe 
iafa, 2'^ Linne Lehrb, Thierr, 2. tab. k ? 
Inhabits Shell longitudinally ftriate and imbricate 
fcalcs : pofterior Hope with a whitifh lobe ; hind-margin creo^ 
Cahculata. Shell oblong, with imbricate grooves ; the anterior 
retiiib. 
AdanJ, Senrg, I. tab, IJ. fig, 
Lister conch, tab. 347. Gualt. tfft, tab. 90. f, F, 
Born Muf, Cctf, Vind. left. tab. f. 10 , 1 1 , 
Chemn. conch. 7. tab 50. fig. 500, 501. 
2. Lister conch, tab. 2 ,^ 2 . fig. j86? 
J. Benan. Muf. Kirch, z, fig. 127. 
Inhabits tiie Atlantic, American and leas, and is fontetitf^^ 
found foible : about ^ an inch long and if- broad : 
rather brown when young: hinge with 2” teeth: 
margin ferrate, interior fiijooth. 
Cordata. Shell heart-ftiapcd, tranfverfely ftriate; one fide elonga*'*^' 
comprefted. 
z. Kidney-lhaped, Knorr Vergn. 2. tab.zr,, f. 7. 
Chemn. conch. 7. tab. 50, fig. 502, 503. 
Inhabits the Indian and Bud 'heas: ferruginous or chefnut. 
Satiata, Shell roiindilh, with toothed grooves mixed w'iih 
pofterior llope retufe. 
Inhabits Shell white, the outfidc reddifh : grooves 
vated, longitudinally toothed and alternately Ihorter: 
crenulate ; poilcrior llope heart-lhaped. 
Qlknga, 
Laz, 
wus. 
Shell oblong, the fore-part angular, with anterior 
teeth. 
Chemn. conch. 7. tah. C^Q.fig. 504, 50C, 
Inhabits Ihores'of Gslaira, and refcnibles Mytilus modiolus, .j, | 
^hell fubdiaphanotis, white, with very fine dcculTate ftri*, j,, | 
citron -colour: margin very entire, hinge with 3 middle K® . 1 
and an oblong acute lateral one locking into a hollow betW^ | 
2 teeth in the oppofite valve. 
Shell imbricate w'ith jagged lamelisc : beak a little 
obliquely. 
Argemv. conch, tab. 20. P. Knorr Vergn. \ , i. 2 , f. I, 
Rumpf. Muf. tab. 47, C. t, 48, f. 3. 
Vaient. abh. tab. 13, fig. if. t, t(s, f. 22. 
cieba Muj. 2. tab. 22 . f. 12. t. 2 ^,f. 6, 9, 11* 
tisfi 
