18 
CATALOGUE OF 
8. Anomia fidenas. 
White, pearly, thin, flat, smooth externally, pearly within, with a 
thick white disk. Upper scar large, elongate, arched below; lower 
scars two, small, circular, far apart, the lower one considerably be- 
low the other. 
Anomia fidenas. Gray, P. Z. S. 1849, 117. 
Hab. America, west coast. Panama ; on Pinna at low water. 
Mus. Cuming, no. 2 ; three speeimens. 
9. Anomia adamas. 
Red, thick, with numerous, indistinct, radiating ribs, most dis- 
tinct on the edge of the lamina ; internally red, pearly, with a small 
white disk. Upper muscular scar oblong, arched below ; lower scars 
subequal, separate, but close together, and nearly on the same line. 
Anomia adamas. Gray, P. Z. S. 1849, 117. 
Hab. Galapagos ; Lord Hood’s Island, attached to Avicula inar- 
garitifera at nine fathoms. Mus. Cuming, no. 5 ; three specimens. 
10. Anomia pacilus. 
Red, with distinct radiating ribs ; internally reddish pearly, with 
a thick white disk. Upper muscular scar oblong, broad, lower 
edge arched ; lower scars two, rather smaller, nearly similar in 
size, rather close together, but separate, the hinder one rather lower 
than the other. 
Anomia pacilus. Gray, P. Z. S. 1849, 117. 
Hab. Peru ; Tumbez. Dredged from five fathoms in soft mud. 
Mus. Cuming, no. 9. 
11. Anomia labbas. 
Shell white, smooth, lower valve pale green. Upper muscular 
scar large ; lower scars two, nearly as large as, and close to, the 
upper one, nearly equal, and nearly in a line. 
Anomia larbas. Gray, P. Z. S. 1849, 117. 
Hab. Coast of Peru, Payta. Mus. Cuming. 
