ri? 
Upper scar large, elongate, arched below ; lower scars 2, small, cir- 
cular, far apart, the lower one considerably below the other. 
Hab. America, west coast. Panama; on Pinna at low water. 
Mus. Cuming, No. 2; three specimens. 
9. ANOMIA ADAMAS. 
Red, thick, with numerous indistinct radiating ribs, most distinct 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. 
Hab. Galapagos; Lord Hood’s Island, attached to Avicula mar- 
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 2, rather smaller, nearly similar in size, rather close together 
but separate, the hinder one rather lower than the other. 
Hab. Peru; Tambaz; dredged from five fathoms in soft mud. 
Mus. Cuming, No. 9. 
11. ANomIa LARBAS. 
Shell white, smooth, lower valve pale green. 
Upper muscular scar large ; lower scars 2, nearly as large as, and 
close to, the upper one, nearly equal, and nearly in a line. 
Hab. Coast of Peru, Payta. Mus. Cuming. 
12. ANOMIA ALECTUS. 
Irregular, upper valves convex, reddish, internally pearly ; lower 
valve green, internally green. 
Upper scar large, oblong ; lower scars 2, large, rather smaller than 
the upper one, close together, but not confluent ; the lowest one the 
largest. 
Hab. Peru, Bay of Guayaquil; Hinds. Mus. Brit., and Mus. Cu- 
ming, No. 7. 
13. ANOMIA HAMILLUS. 
Reddish, thin, sinuous. Dorsal valve with a triangular, white, 
porcellanous disk. 
Upper scar large, roundish ; lower scars 2, separate, close together, 
nearly equal-sized, small, and nearly on the same line. 
Hab. West Columbia, Bay of Cafes. Mus. Cuming, No. 6. 
14. ANOMIA LAMPE. 
Shell yellowish green, radiately costated ; internally green. 
Upper muscular scar large, squareish ; lower two rather smaller, 
subequal, near together and to the upper scar, and nearly on the same 
line ; sinus in lower valve very large. 
Hab. California ; Lady Katherine Wigram, Mus. Brit. Mus. Cu- 
ming; three specimens. 
