Bull. U. S. B. F. (No. 1103.) 
Figure 3. — Hale (left) and female (light) specimens of yellow sand shell, Lampsilis anodontoides (Lea), White River, Ark. 
Upper male, 8.69 centimeters; lower male, 10.72 centimeters; upper female, 11 centimeters; lower female, 11.33 centimeters 
in length 
Figure 4. — Male (left) and female (right) specimens of yellow sand shell, Lampsilis anodontoides (Lea), Rio Grande Valley 
near Mercedes, Tex. Upper male, 11.22 centimeters; lower male, 11.89 centimeters; upper female, 11.30 centimeters; lower 
female, 11.93 centimeters in length 
