VENUS.— Plate XVII. 



I'orm of the species. For British examples as originally 

 (ie.scribed by Da Costa, see Plate XX. 



Species 76. (Mus. Cuming.) 



A'enus Aphrodina. Ven. testa oblique cuneatd, fulvo- 

 ferrugined, pallide fusco obscure reticulata, sublavi- 

 gata, postice concentrice corrugato-sidcatd. 



The Aphkodine Venus. Shell obliquely wedge-shaped, 

 fulvous-rust, obscurely reticulated with pale-brown, 

 nearly smooth, concentrically wrinkle-grooved down 

 the posterior side. 



Lamakck, Anim. sans vert. vol. vi. p. 368. 



Hab. Australia. 



A comparatively smooth species, concentric grooves 

 being scarcely distinguishable except on the posterior side. 



Species 77. (Mus. Ciuning.) 



Venus Adamsii. Ven. testa quadrato-oblongd, tenuiculd, 

 compressd, sordide albd,ferrugineo tiiictd, concentrice 

 laminato-lirald, liris eximie fimbriatis, interstitiis 

 liris tenuibus mimerosis radianiibus pulcherrime cla- 

 thratis. 



Adams' Venus. Shell squarely oblong, rather thin, com- 

 pressed, dead-white, tinged with rust, concentrically 

 laminately ridged, ridges delicately fimbriated, inter- 

 stices beautifully latticed with numerous fine radia- 

 ting ridges. 



Hab. Japan. 



A shell of singidarly elliptic fonn, thin and depressed, 

 most elaborately and delicately sculptured throughout. 



