REPORT ON THE MARSUPIALIA. 



123 



were distinct from the plantar interossei. He offered no suggestions regarding the 

 homologies of the latter beyond stating that they were " interossei." In his former 

 paper upon the Development of the Muscles of the Human Foot, he includes the flexor 

 brevis minimi digiti with the musculi interossei pedis. 



Subjoined is a tabular view of the distribution of the adducting muscles in Mammals. 



The asterisk (*) is placed at the point towards which the adducting muscles operate. 

 Where the -+- is used, the muscle in the corresponding column is absent. 



Plantar Layer — Adductores. (Table A.) 

 Pentadactylous Feet. 



