OYSTERS AND SMALL CLAMS 



59 



Figure 29 shows both an inside and an outside 

 view of V enericardia ventricosa^ Gould, the Ventri- 

 cose Venus-heart. The figures 

 were made from a specimen 

 found in Puget Sound. This 

 species also lives from the 

 Aleutian Islands in the north 

 to Catalina Island in the 

 south, where it has been 

 dredged in thirty fathoms of 

 water. 



V enericardia harharense^ 

 Stearns, the Santa Barbara 

 Venus-heart, shown in Figure 

 30, resembles the last species, 

 but is more circular, has more 

 ribs and a less prominent beak. 



Fig. 29. X \ (*) 



Dredged off Santa Barbara 

 Islands in green mud, at 276 

 fathoms depth. 



Fig. 31 (*) 



Fif . 30. X f (*) 



Figure 31 gives an inside 

 view of Venericardia crassi- 

 denSy Brod. & Sby., the Heavy- 



