CONCHOLOGY. 



PLATE XXXIV. 



TEREBRATULA SANGUINE A 

 SANGUINEOUS LAMP-ANOMIA, 

 TEREBRATULA, 



OR, 



LAMP COCKLE. 

 Bivalve. 



generic character. 



Shell inequivalve regular, somewhat triagonal : upper valve 

 imperforate, lower valve beaked above the hinge, the beak usually 

 incur vate, perforated at the tip, or grooved, for the passage of a short 

 tendinous pedicle, by means of which it adheres to other bodies : 

 Hinge with two teeth, and furnished with two osseous elevated and 

 furcated processes arising from the disk of the upper or smaller valve, 

 destined to support the animal. 



SPECIFIC CHARACTER 

 AND 

 SYNONYMS. 



Shell red, ventricose, suborbicular, longitudinally ribbed : upper 

 valve depressed in the middle ; the lower with the back elevated. 



