Fig. 167. SIDE VIEW OF ANODOXTA AFTEH REMOVAL or LEFT VALVB. 



Diagrammatic. The dotted line ia the free edge of the mantle, the dot-and-dash 



line its ine of attachment to the body. 



Fig. 168. TRANSVERSE SECTIONS OF ANODONTA. 



(1) Through centre or pericardium. (2) Through anterior end of pericardium 



(3) Through posterior adductor. (After Howes.) 



827 



