WORMS. TESTACEA. 58. Tellina. 187 



hejidlatera Shell equivalve roundifh white, with a few tranfverfe ftrias 

 towards the margin. 

 Inhabits Gualt, teft, tab. SS.fig. C. 



Knorrii. Shell rich red with a violet margin. 



Inhabits Knorr. Vergn. 5. tab. 21. fig. 5. 



Shell 2 \ inches broad, 1 \ long. 



Bornii, Shell tranfverfely ftriate ; one fide bent and xeddifh, with 

 red rays. 

 Born Muf. Caf.Vind, to ft. tab. 2. fig. 5. 

 Inhabits — T-She.ll | of an inch long, 2 inches broad.'' 



Pufilla. * ShelLovate ventricofe thin tranfverfely ftriate : hinge in one 

 valve without teeth, in the other with a double primary 

 tooth. 



Schraet. Flufconch. p. 194. tab. 4. fig. 7. a, b. 



Inhabits rivers of Europe: very minute, dirty white, fnowy 

 within, and brittle. 



* Uaculata Shell fubovate thickifh, with decuffate ftrix, and irregular 

 fpots. 

 "Found at lenly. l lranf. Lin. Soc, iii, p. 252. 

 Figure of the fpots diffimilar in different fpecimens, but cxaftly 

 alike in both valves. 



*Ri<yalis. Shell obliquely fubovate, tranfverfely grooved, horn-colour. 



Maton Tranf.Linn- Soc. ill. tab l$»fg- 37 — 40* 



Gualt. teft. tab. 1 . fig. C, C. 



Found in the river A-von near Salijhury : fize of a pea s 



Shell rough, with broader grooves, flattifh. before : hinge placed 

 not in the middle but towards one end ? with hardifh promi- 

 nent teeth. 



B. Ovate, compreffed. 



Albida. Shell OVa * Smooth, with prominent membran&s. 



Inhabits European Ocean. Muf. Lud, Ulr. 479. n. 23, 

 Shell fize of an egg, redd im -white, with faint tranfverfe ftrize, 

 within white ; cartilage white : hinge with a diftinft future- 

 each fide marked with minute tranfverfe red ftriae, and 3 

 teeth in each valve. 



Vsliacea, Shell oval, with rough pubes; the flattened fides ferrate. 

 Bar but. tab ^.fg. 2. Rumpf. Muf. tab. 45. K. 

 Argtnit ,<onch \ tab. 22. E. Klein, tab, \\* fig, 64. 



A a 2 Kmrr 



