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 striae, and 



diaphanous. 



Arc A LAC TEA : testa subrhomboidea obsolete decussatim striata 



diaphana. Gmel. Linn. Si/ st. Nat. T, l.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. fg. 69. 

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



tab. 1%. Jig. I. 



G3 



