64 



BIVALVES. MYTILUS. 



The Indian, Atlantic, American, and Northern oceans 

 produce many species ; some are also from New Zealand, 

 the Mediterranean, Russian, and Red seas. 



MYTILUS.— Mmsc/*. 



A. — Parasitical, affixed by claws. 



CrhU-ga\\i--Cock's-comb Oyster. Hyotis — Gt. finger Muscle. 

 Frons— Leaf. 



B, — Flat, or compressed: slightly eared. 

 Margaritiferus — Mother of Pearl. Unguis — Nail. 



-Ventricose or convex. 



Lithophagus — Burrowing. 



Rugosua — Rugged. 



Bilocularis — Two-celled. 



E xustus — Rose-colored. 



Barbatus — Bearded. 



♦Edulis — Eatable. 



•Incurvatus — Incurved. 

 Pellucidus — Pellucid. 

 *Umbilicatus — Umbilicated. 

 ♦Curtus — Short. 

 Ungulatus — Ox-hoof. 

 Bidens — Furrow-cap. 

 ♦Modiolus — Smooth. 

 *Cygneus — Swan. 

 ♦Anatinus — Duck. 

 Viridis — Green. 

 Ruber — Red. 

 A\b\x$~ White. 

 Ater — Black. 



*Discors — Discordant. 



Hirundo — Swallow. 



Pholadis — Pholas. 



Stria tulus — Cross Beak. 



Vulgaris — Small. 



Plicatus — Plaited. 



Niveus — Snowy. 



Afer — African. 



Smaragdinus — Emerald- green. 



Versicolor — Variegated. 



C oralliophagus — Coral-piercer. 



Lineatus — Lined. 



Faba — Bean. 



Fluviatilis — Fluviatile. 



Fuscus — Brown. 



Mammarius — Mammillary. 



Persicus — Persian. 



Pictus — Painted. 



Fasciatus — Banded. 



