PLATE CXXXV. 



ARCA LAC TEA. 



MILKY-WHITE ARK. 



GENERIC CHARACTER. 



Bivalve, valves equal. Teeth of the hinge numerous, and inserted 

 between each other. 



SPECIFIC CHARACTER 



SYNONYMS. 



Shell somewhat rhombic, with obsolete, decussated strise, and 



diaphanous. 



Arca lactea : testa subrhomboidea obsolete decussatim striata 



diaphana. Gmel. Linn. Sj/st. Nat. T. I. p. 6. 



p. 3309. sp. 15. 

 Arc A lactea: testa subrhomboidea obsolete decussatim striata 



diaphana, natibus recurvis, margine crenulato. 



Linn. Syst. Nat. p. 1141. No. 173. 

 Pectunculus exiguus albus, admodum tenuiter striatas. List. H, 



Conch, tab. 235. jig. 69. 

 Mytulus Garnseias albus, parvus tenuiter cancellatus. Petiv. Gaz. 



tab. 13. fg. 1. 



G 3 



