ANTERIOR ADDUCTOR 

 MUSCLE 



LIVER * N0 INTESTINES 



POSTERIOR ADDUCTOR 

 MUSCLE 



FOOT 



BYSSUS 



GILLS 



Fig 65. Internal anatomy of shellfish, showing parts of the body likely to 

 contain paralytic shellfish poison. Top: Mussel, Mytilus. Liver and intestines 

 (dark meat) and gills are the most dangerous parts to eat. Bottom: Butter 

 Clam, Saxidomus. The poison is concentrated primarily in the siphon. 



(Kreuzinger) 



104 



