PLATE CXXXV. 



ARCA LACTEA. 



MILKY-WHITE ARK. 



GENERIC CHARACTER. 



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



between each other. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Shell somewhat rhombic, with obsolete, decussated striae, and 



diaphanous. 



Arca lactea : testa subrhomboidea obsolete decussatim striata 



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



p. 3309. sp. 15. 

 Arca lactea: testa subrhomboidea obsolete decussatim striata 



diaphana, natibus recurvis, margine crenulato. 



Linn. Sj/st. Nat. p. 1141. No. 173. 

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



Conch, tab. 235. Jig. 69. 

 Mytulus Garnseiae albus, parvus tenuiter cancellatus. Petiv. Gaz.^ 



tab. IZ.jig. 1. 



C3 



