BIVALVES. — TELLINA. 39 



The European and Northern Seas afford by far the great- 

 est proportion of the shells of this genus. They are, how- 

 ever, found in the Indian, American, and Mediterranean 

 seas. They often reside among zoophytes. 



SOLE}^— Razor- Sheath. 



Division I. — Shell linear. 

 *Vagina — Sheath. Linearis — Slender. 



Truncatus — Truncated. *Ensis — Scimitar. 



*Novacula — Knife. *Pellucidus — Transparent. 



*Siliqua — Long brown. *Legumen — Pease-cod. 



Cultelhis — Kidney. 



Division IL — Shell ovate or oblong. 



*Antiquatus — Antique. Striatus — Striated. 



Gigas — Giant. C?i?,ixens\s,— Zigzag. 



Magnus— Greaif. Biradiatus— DoM^^t-ra^et/. 



Minimus — Small. Sanguinolentus — Blood-red. 



Guineensis — Guinea. Oriens — Rising Sun. 



Inflexus — Infected. Occidens — Setting Sun. 



Diphos — Violet. Amethystus — Amethyst. 



Radiatus — Rayed, Variegatus — Variegated. 



Strigilatus — Strig Hated. Bullatus — Tjiflated. 



*Coarctatus — Narrow. *Minutus — Minute. 



♦Fragilis — Brittle. Virens — Green. 



Anatinus — Duck's-bill. *Squamosus — Scaly. 



Roseus — Rose-coloured. Vespertinus — Vesper. 



TELLINA.— Tellen„ 



Animal — a Tethys: Shell bivalve, generally sloping on one 

 side; in the fore part of one valve there is a convex, and 

 in the other, a concave fold; hinge tvith usually three 

 teeth, the lateral one smooth in one valve. 



AMONGST all the different genera of Bivalves, there is 

 none, except the Venus, which can vie with the Tellina in 



