The appeudicular limscles of Necturus maculosus. 421 



in the same plane as the bones. Although physiologically either 

 end may serve as origin, the more proximal, that is, the fibular, 

 one, may serve as the anatomical origin, in accordance with the rule 

 in the case of limb muscles. 



This muscle is chiefly remarkable in having no serial homolog 

 in the fore limb, and being thus the widest occurring departure 

 from a complete correspondence between arm and leg. 



