286 WORMS. TESTACEA. 67, Anomia, 
Squama. Shell oblong, with a rounded margin: one valve flat, thin, 
fmooth, with a large ovate perforation at the tip, the 
other a little convex and longitudinally ftriate. 
Chemn. conch. 8. tab. 77. fig. 697. 
Inhabits feas of Naravay ; larger than A. Squamula, 
Shell brittle, adhering to other bodies by the flat valve. 
Pun&ata. Shell orbicular, hyaline, thin, pun@tured; the flat valve 
perforated at the tip, with impreffed dots on the outfide. 
Inhabits Feroe Ifland. Chemn. conch, 7. tab. 77. f. 698. 
Shell {mall, brittle, with elevated dots on the outfide of the 
convex valve, 
Undulata. Shell with a crenate margin; the flat valve very thin and 
fmooth, with a large oval perforation; the convex 
valve with tranfverfe arched ftriz croffing undulate 
longitudinal ones. 
Chemn. conch. 8. tab. 77. fig. 699. 
Inhabits the Mediterranean and North feas 5. fometimes reddifh, 
Cagenft, Shell longitudinally ftriate, a little truncate, with a rounded 
crenate margin; the flat valve with a 2-fpined rib 
beneath. . 
Chemn: conch. 8, tab. 77. fig. 703. a—C. 
Inhabits the Cape of Good Hope: {ometimes reddifh or white. 
Detruncata Shell truncate, orbicular, longitudinally ftriate; the flat 
valve with 3 ribs within, the other valve longitudinally 
ftriate within and divided by a partition in the middle, 
Gualt. teft. tab. 96. fig. C. 
Chemn. conch. 8. tab. 78. fig. 705. 2—d. 
Inhabits the Mediterranean, adnering to corals; fmall and per» 
forated at the crown. 
Senguino- Shell horny, fmooth and convex each fide; the upper- 
lenta, valve emarginate and radiate at the fides, with an 
elevated fanguineous back and prominent perforated 
a is 
Chemn. conch. 8. tab. 78. fig. 706. 
Inhabits Zna?a. Shell thin, pellucid, 
Vitrea, Shell ovate, ventricofe, hyaline, extremely thin; lower- 
valve with 2 bony rays at the hinge betides lateral 
teeth; upper-valve with a prominent perforated tip. 
Argenv. Zoom. tab. V2. E..— Knorr Vergn. 4. t. 30. f. 4. 
Walh Netarf. 3. tab. 3. f. 5. 
Born 
