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. 



SOLEN Razor- Sheath. 



DIVISION L Shell linear. 



* Vagina Sheath. Linearis Slender. 



Truncatus Truncated. Ensis Scimitar. 



*Novacula Knife. *Pellucidus Transparent. 



*Siliqua Long brown. *Legumen Pease-cod. 



Cultellus^-Kidney. 



DIVISION II. Shell ovate or oblong. 



*Antiquatus Antique. Striatus Striated. 



Gigas Giant. Castrensis Zigzag. 



Magnus Great. Biradiatus Double-rayed. 



Minimus Small. Sanguinolentus Blood-red. 



Guineensis Guinea. Oriens Rising Sun. 



Inflexus Inflected. Occidens Setting Sun. 



Diphos Violet. Amethystus Amethyst. 



Radial us Rayed. Variegatus Variegated. 



Strigilatus Strigilated. Bullatus Inflated. 



*Coarctatus Narrow. *Minutus Minute. 



*Fragilis Brittle. \irens-Green. 



Anatinus Duck's-bill. *Squamosus Scaly. 



Roseus Rose-coloured. Vespertinus Vesper. 



TELLINA. TELLEN, 



Animal a Teiliys: 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 with 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 



