CHAPTER IV.—C rams. 
One of the commonest clams all up and down the coast is the 
Round Clam or Qua- 
hog, Venus mercen- 
aria Linné, a large, 
solid, oval shell, dull 
enough outside, 
although the young 
are occasionally 
marked with zigzag 
stripes. It is white 
inside, with a spot of 
Fig. rr. Venus mercenaria. One-half natural size. purple at one or both 
¥ ends. Everybody 
knows that our red 
skinned predecessors 
used to carve their 
currency or “ wam- 
pum” from these 
shells. Quahogs are 
eaten everywhere, 
but they are not 
nearly so tender and a 
delicate as the “Littl “~~ 
Fig. 12. Cytherea convexa. = Neck ” or" Sand” 
clams (Mya arenaria). Vitor Manph,, a, 
17 SUANY Ceulg 
