282 WORMS. TESTACEA. 67. Anomia, 
Aurita. Shell fubovate ftriate and (lightly eared; beak perforated. 
Gualt tefl. tab. 96. fig. B. 
Inhabits Noravay Seas; refembles A. Caput ferpentis, 
Retwfa. Shell obovate ftriate retufe with a longtitudinal concavity ; 
beak perforated. 
Fn. Suec. 2153. Mull. Zool. Dan. prodr. 3000. 
Inhabits Noravay Seas, adhering to Zoophytes. 
*Grypbui* Shell oblong fmooth, with an obfolete lateral plait on one 
valve and incurved beak, the other valve fhort and 
flattiíh. 
Muf. Teffin tab. 5. fig. 9. Olear. Muf. t. 33. fi 30 
Rumpf. Muf. tab. $9. B. Bonan recr. 2. fig. 31. 
Lifter an. Angl. p. 238. tab; 8. fig. 45. 
Column. aq. p. $4. fig. 52. 
Found frequently in a fofüile ftate : fnel/ lamellate wrinkled, va- 
riable in form and fize, 
* PeGens. Shell femiorbicular depreffed with numerous ítriz: one 
valve flat. 
Lifter an. Angl. 2 245. tab. 9; fig. 49. 
Found in a foilile ftate : /hz// with a tranfverfe line near the hinge. 
Sériatula, Shell roundifh and a little dilated, gibbous each fide, ftriate; 
valves equal. 
Found hitherto in a foffile ftate only. 
Shell roundifh, but much broader than it is long, more gibbous 
behind, the anterior margin thin. 
*Truncata. Shell fuborbicnlar obfoletely ftriate; the hinge truncate. 
Lister conch. tab. 462. fig. 23. 
Lister, anim Angl. tab. 9. fig. $0. 
Born Muf. Ces. Vind. test. t. 6. f. 4. 
Chemn. conch. 8. tab. 77. fg. 701. a; b. 
Schret. Fourn. 3. tab. 2. fig. 6. 
Inhabits European Seas, afüxed to corals; refembles A. firiatula, 
but has a ftraight jagged hinge: /Ae// whitifh, broader than it 
is long, ¢Snvex with very fine decuffate wrinkles, within 
granulate. 
Shell heart-fhaped with decuffate ftris, the fhorter valve 
more gibbous. 
Muf. effin. p. 88. tab. 5. fig. S. 
Found foffile: /re// with rather prominent compreffed fides, the 
beak of the flat valve a little prominent, 
Reticularis. 
Picatella. 
