WORMS, TESTACEA. 67. Anomia. 



Spama. 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 Norway ; larger than A. Squamula. 

 Shell brittle; adheiing to other bodies by the flat valve. 



Punctata. Shell orbicular, hyaline, thin, punctured ; the flat valve 

 perforated at the tip* with imprelfed dots on the outfide. 

 Inhabits Feroe IJland. Chemn. conch, 7. tab. 77./*. 698. 

 Shell fmall, brittle, with elevated dots on the outfide of the 

 convex valve* 



VndulaiA: Shell with a crenate margin ; the flat valve very thin and 

 fmooth, with a large oval perforation; the convex 

 valve with tranfverfe arched (trice crofling undulate 

 longitudinal ones. 



o 1 



Chemn. conch. 8. tab. 77. fg. 699. 



Inhabits the Mediterranean and North feas ; fometimes reddiih. 



Capcnfu* 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 Gocd Hope : fometimes reddifh or white. 



Detruncate 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, tabs 78. fig. 70 5. a — d. 



Inhabits the Mediterranean, adnering to corals: fmall and per* 

 forated at the crown. 



$anguino~ 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 

 tip. 

 Chemn. conch. 8. tab, 78. fg. 706. 

 Inhabits India. Shell thin, pellucid. 



Vitrea, Shell ovate, ventricofe, hyaline, extremely thin ; lower- 

 valve with 2 bony rays at the hinge belldes lateral 

 teeth ; upper-valve with a prominent perforated tip. 

 Argent* Zoom. tab. 12. E. Knorr Vergn. 4. /. ^O-.f. 4. 

 Wakh Nutu*f. 3. tab. l'f$. 



Bom 



